Classic Patty Melt

Step into a world of nostalgic diner charm right from your kitchen with this incredible Patty Melt recipe. A quintessential American comfort food, the Patty Melt transcends the ordinary burger, offering a harmonious blend of textures and flavors. Imagine a savory hamburger patty, crowned with slow-cooked, sweet caramelized onions, generously melted cheese, and a secret tangy special sauce, all encased within two slices of buttery, grilled bread. This is not just a sandwich; it’s an experience, a journey back to simpler times, and it’s surprisingly simple to master at home.

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If you’re a connoisseur of gourmet grilled sandwiches, you’ll undoubtedly appreciate the delightful simplicity and rich flavors of a classic patty melt. And if you’re looking for an exciting twist on this beloved favorite, you’ll also love this Italian Burger – an Italian-inspired take on the patty melt concept!

Patty Melt cut in half and stacked, showcasing the layers of cheese, patty, and caramelized onions.

The Ultimate Homemade Patty Melt: A Diner Classic Made Easy

There is truly nothing quite as satisfying as good, old-fashioned comfort food, especially when it conjures vivid memories of a bustling, friendly diner. The Patty Melt holds a special place in the pantheon of these culinary treasures. It’s more than just a grilled cheese with a burger; it’s a carefully constructed masterpiece where every element plays a crucial role in creating an irresistible symphony of savory, sweet, and tangy notes.

Why We Love the Patty Melt: A Brief History of a Diner Legend

The Patty Melt is believed to have originated in Southern California in the 1950s or 60s, a golden era for American diners and drive-ins. It quickly became a staple, beloved for its hearty nature and the perfect marriage of a juicy burger with the satisfying crunch and gooey cheese of a grilled sandwich. While typically served on rye bread, its appeal lies in its adaptability and the irresistible combination of flavors – the umami of the beef, the profound sweetness of caramelized onions, and the sharp, creamy texture of melted cheese, all brought together by a secret sauce and grilled to perfection. It’s a sandwich that delivers substantial flavor and comfort in every single bite, making it a timeless favorite.

And now, this very Patty Melt is one of those recipes that will effortlessly transport you back to your most cherished diner memories, all from the comfort and convenience of your very own kitchen! While preparing this exceptional sandwich does require a little patience, particularly for the essential caramelized onions, the overall process is incredibly simple and rewarding. Once you experience the rich flavors and satisfying textures of a homemade patty melt, you’ll find yourself returning to this recipe again and again, eager to recreate that perfect diner experience.

Ingredients laid out on a kitchen counter to make a Patty Melt, including ground beef, onions, bread, cheese, and sauce components.

Essential Ingredients for Your Perfect Patty Melt

Crafting an unforgettable Patty Melt starts with selecting quality ingredients. Each component plays a vital role in achieving that authentic diner taste. Here’s a detailed look at what you’ll need:

For the Irresistible Caramelized Onions:

  • Onions: Sweet onions are undoubtedly your best choice for caramelizing. Varieties like Vidalia or Walla Walla are ideal because their high sugar content naturally enhances the caramelization process, resulting in deeply sweet and tender onions without any harsh bitterness. They are generally easy to find in most grocery stores, ensuring accessibility for this crucial ingredient.
  • Butter: Butter is preferred over oil for caramelizing onions as it imparts a rich, nutty flavor that complements the sweetness of the onions beautifully. While olive oil could be used, butter adds an undeniable depth of taste that truly elevates the dish.
  • Salt and Pepper: Simple seasoning is important to enhance the natural flavors of the onions. Salt helps draw out moisture, aiding in the caramelization, while pepper adds a subtle warmth.

For the Signature Special Sauce:

  • Mayonnaise: The creamy base of our special sauce. Feel free to use full-fat mayonnaise for maximum richness, or opt for a light mayo if you’re looking to reduce a few calories without sacrificing much on texture.
  • Ketchup: Regular ketchup provides a familiar, sweet, and tangy counterpoint, adding a classic burger sauce flavor.
  • Relish: I typically reach for sweet relish because its vibrant tanginess and subtle sweetness perfectly balance the richness of the other ingredients. However, dill relish is also an excellent option if you prefer a more savory, briny note in your sauce. Both work wonderfully, so choose based on your preference.
  • Sugar: Just a touch of granulated sugar. This isn’t to make the sauce overtly sweet, but rather to round out the flavors and introduce a hint of balance, preventing the sauce from being too tart or one-dimensional.
  • Vinegar: White vinegar is my go-to for its clean acidity, which brightens the sauce considerably. If you have a specialty flavored vinegar like apple cider vinegar or even a mild rice vinegar that you believe would pair well, don’t hesitate to experiment!
  • Spices: A blend of garlic powder and paprika is essential. Garlic powder adds an aromatic depth, while paprika contributes a subtle smoky undertone and a lovely hue to the sauce.

For the Hearty Burgers:

  • Ground Beef: The choice of ground beef significantly impacts the final flavor and juiciness of your patty melt. I personally prefer a leaner ground beef, around 90% lean, to minimize grease cleanup and ensure a less greasy sandwich. However, if you prioritize maximum flavor and juiciness, a fattier blend (like 80/20) will yield a more robust taste, just be prepared for a bit more grease.
  • Salt and Pepper: For the burger patties, simplicity is key. A generous seasoning of salt and freshly cracked black pepper on both sides is all that’s needed to bring out the natural, savory flavor of the beef.
  • Bread: Traditionally, an authentic patty melt is served on rye bread, and I genuinely love the distinctive flavor and texture that rye offers. However, many available rye breads come in very large slices, which can make it challenging to size the patty appropriately to fit the sandwich well. For a more robust and equally delicious alternative, Texas toast is fantastic (and what you see beautifully featured in these photographs). Sourdough is another excellent choice, providing a delightful tang and sturdy structure.
  • Cheese: Swiss cheese is a highly popular and classic choice for a patty melt, known for its mild, nutty flavor and excellent melting properties. Often, I will also use Monterey Jack, which melts beautifully and offers a creamy, slightly milder flavor. Other great options include provolone, cheddar, or even a smoked gouda for a more adventurous taste.
  • Butter: You’ll need a small amount of softened butter exclusively for the outsides of the bread slices, crucial for achieving that perfectly golden-brown, crispy toast. I find it most effective to butter the bread directly rather than adding butter to the pan, as this ensures even coverage and a superior crust.
Caramelizing sliced onions in a cast iron skillet for patty melts.

How to Make the Ultimate Homemade Patty Melt: Step-by-Step Guide

Follow these detailed steps to create a Patty Melt that rivals your favorite diner’s version:

STEP 1: Prepare the Onions. The caramelized onions are the star of this sandwich and will take the longest, so it’s best to start them first. To prep the onions, begin by carefully cutting off both the root end and the stem end. Then, cut each onion in half from the stem to the root.

STEP 2: Slice the Onions. Lay each onion half flat on your cutting board. Cut the onion into thin, uniform strips by slicing from end to end, following the natural lines of the onion. This method is the opposite of cutting them into half-moons, and I find that slicing them this way helps the onions hold their texture a little better during the long cooking process, preventing them from becoming mushy.

STEP 3: Begin Caramelization. Melt the butter (or olive oil, if preferred, though butter adds more flavor) in a large, heavy-bottomed skillet over medium-low heat. A cast-iron skillet is ideal for even heat distribution. Once the butter is melted and slightly shimmering, add all your sliced onions to the pan. It will look like an overwhelming amount initially, but don’t worry—they will cook down significantly as they release their moisture and soften.

STEP 4: Slow Cook the Onions. Continue to cook the onions over medium-low heat, stirring occasionally to prevent sticking and ensure even cooking. Patience is key here; this process can take anywhere from 35 to 45 minutes, depending on how dark and tender you like them. You’ll watch them transform from opaque white to a beautiful golden-brown, deeply sweet, and tender state. I personally like for them to retain just a little bit of texture, but you can cook them longer if you prefer them completely soft and jam-like.

Preparing the special sauce and forming burger patties for Patty Melts.

STEP 5: Prepare the Special Sauce. While the onions are slowly caramelizing, you can efficiently prepare the delectable special sauce. In a small bowl, simply combine all of the sauce ingredients: mayonnaise, ketchup, relish, sugar, vinegar, garlic powder, and paprika. Stir them together until everything is well combined and smooth. Cover the bowl and refrigerate the sauce until you are ready to assemble your sandwiches, allowing the flavors to meld beautifully.

STEP 6: Cook the Burger Patties. Once your caramelized onions have reached your desired tenderness and color, remove them from the skillet and set them aside. Quickly wipe down the skillet to remove any residual butter or onion bits. Now, divide your ground beef into four equal portions and gently form each portion into a thin, round or oval patty, ensuring they are slightly larger than your bread slices, as they will shrink during cooking. Season both sides of each patty generously with salt and pepper. Heat the cleaned skillet over medium-high heat. Add the seasoned patties to the hot skillet and cook them until they are beautifully browned and cooked to your preferred doneness. This typically takes about 3-4 minutes per side for a medium cook. Depending on the size of your skillet, you may need to cook the patties in two batches to avoid overcrowding the pan, which can steam rather than sear them.

Steps showing the assembly of patty melts: bread with sauce and cheese, patties, caramelized onions, and buttered bread ready for grilling.

STEP 7: Assemble the Sandwiches. Now comes the exciting part – assembly! To streamline the process, I recommend laying all eight pieces of bread out on a clean counter or work surface, preparing to make all four sandwiches simultaneously. Generously spread a layer of your prepared special burger sauce on one side of each of the eight slices of bread.

STEP 8: Add the Cheese. Place a slice of cheese on top of the sauce on each slice of bread. This strategic placement ensures that you get a wonderful layer of gooey, melted cheese on both the top and bottom of your burger patty, maximizing that desirable cheesy pull.

STEP 9: Layer the Fillings. On four of the sauced and cheesed bread slices, carefully place one cooked burger patty on each. Then, spoon a generous helping of your perfectly caramelized onions directly on top of each burger patty. Finally, take the remaining four slices of bread and place them on top of the onion-topped patties, with the cheese side facing down, completing the structure of your four sandwiches.

STEP 10: Grill to Perfection. Now, for the final touch: butter the outsides of each sandwich. Spread approximately ½ tablespoon of softened butter evenly over the top and bottom of each assembled patty melt. Heat a clean griddle or skillet over medium heat. Once hot, carefully transfer the buttered sandwiches to the griddle. Cook them until both sides are beautifully toasted to a golden brown and, crucially, until the cheese inside is wonderfully melted and gooey. This usually takes about 3-5 minutes per side. Flip carefully to ensure even browning. Serve immediately and enjoy the ultimate comfort food!

A freshly made Patty Melt with special sauce and caramelized onions, served alongside potato chips.

Pro Tips for Patty Melt Perfection

Achieving the perfect Patty Melt involves a few key techniques. Keep these tips in mind to elevate your homemade sandwich:

  • Ensure Perfectly Melted Cheese: To guarantee that beautifully gooey, melted cheese, especially if your pan doesn’t come with a lid, I highly recommend covering the sandwiches for a portion of the grilling time. This traps the heat, helping the cheese melt thoroughly and evenly. If a lid isn’t available, you can easily create a makeshift cover using loosely tented aluminum foil over the pan.
  • Make Ahead for Weeknight Convenience: The caramelized onions, which require the most cooking time, can be prepared well in advance. Cook them until golden and tender, then store them in an airtight container in the refrigerator for up to 3-4 days. When ready to assemble your patty melts, simply warm the onions gently in a skillet or microwave before adding them to the sandwiches. This simple step significantly reduces active cooking time on a busy weeknight.
  • Prepare the Sauce in Advance: Just like the onions, your special sauce can be mixed ahead of time. Store it in a sealed container in the refrigerator for several days. This allows the flavors to deepen and meld, often making the sauce even more delicious.
  • Enjoy Fresh for Best Results: While this patty melt is truly best served immediately, straight off the griddle when the cheese is still molten and the bread is crisp, you can store leftovers. Place any remaining sandwiches in an airtight container and refrigerate them.
  • Reheating Leftovers: To reheat, I suggest using a toaster oven or a dry skillet over medium-low heat. This method helps the bread crisp up again and warms the fillings without making the sandwich soggy in the microwave.

Delicious Variations to Explore

The Patty Melt is fantastic as is, but it’s also a canvas for creativity! Here are a few ideas to customize your next batch:

  • Mushroom Swiss Patty Melt: Sauté sliced mushrooms (cremini or button) with a touch of garlic until tender and golden. Add them alongside the caramelized onions for an extra layer of earthy flavor.
  • Spicy Patty Melt: For those who love a kick, add a pinch of cayenne pepper or a dash of hot sauce to your special sauce. You could also include thinly sliced jalapeños (fresh or pickled) on top of the patty.
  • Gourmet Cheese Selection: Experiment with different cheeses! While Swiss and Monterey Jack are traditional, sharp cheddar, provolone, smoked gouda, or even a creamy Havarti can create unique flavor profiles.
  • Alternative Breads: Don’t limit yourself to rye or Texas toast. Sourdough offers a great tang, pumpernickel provides a deeper, earthier flavor, and brioche can add a touch of sweetness and richness.
  • Bacon Patty Melt: Add crispy strips of bacon alongside your beef patty for an extra layer of salty, smoky goodness.

What to Serve with Your Ultimate Patty Melt

A classic diner sandwich deserves classic diner sides! Here are some perfect accompaniments to complete your meal:

  • Crispy French Fries: You can’t go wrong with golden, salty fries.
  • Onion Rings: Embrace the onion theme with a side of crunchy onion rings.
  • Creamy Coleslaw: A cool, tangy coleslaw provides a refreshing contrast to the rich sandwich.
  • Pickle Spears: A simple yet essential side that offers a delightful briny crunch.
  • Side Salad: For a lighter option, a fresh green salad with a vinaigrette dressing can balance the richness.
A hand holding half of a Patty Melt, showing the layers of ingredients.

Frequently Asked Questions About Patty Melts

  • What is the difference between a Patty Melt and a regular burger? The main difference lies in the presentation and grilling method. A Patty Melt is traditionally served on grilled rye bread (or similar flatbread) with melted Swiss cheese and caramelized onions, grilled like a sandwich. A regular burger is typically served on a bun with various toppings and is not grilled as an assembled unit.
  • Can I use frozen burger patties? Yes, you can. Ensure they are fully thawed and seasoned before cooking. However, for the best flavor and texture, freshly ground beef is always recommended.
  • How do I prevent my bread from getting soggy? The key is to grill the sandwiches quickly over medium heat with buttered outsides. The butter creates a barrier and helps the bread crisp up. Don’t overload the sandwich with too much sauce or excessively juicy toppings.
  • My caramelized onions aren’t getting sweet, what am I doing wrong? Patience is crucial! Caramelizing onions is a slow process that cannot be rushed. Ensure your heat is consistently medium-low and stir frequently. If they are burning, the heat is too high. If they are just steaming, the heat might be too low, or you might have too many in the pan.
  • What kind of relish is best for the sauce? Sweet relish is typically used for its balance of tang and sweetness. However, dill relish can be used for a more savory, briny flavor profile if preferred.

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More Delicious Grilled Sandwiches to Try

If you loved this Patty Melt, be sure to explore these other fantastic grilled sandwich recipes:

  • Classic Grilled Cheese Sandwich
  • Hearty Roast Beef Panini
  • Creamy Pimento Grilled Cheese
Patty Melt cut in half and stacked.

Patty Melt

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Author: Deborah Harroun
Prep Time: 15 minutes
Cook Time: 55 minutes
Total Time: 1 hour 10 minutes
Servings: 4 servings
Course: Sandwich
Cuisine: American
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Just like your favorite diner food, this Patty Melt is a comfort food classic! A hamburger patty is topped with caramelized onions, cheese, and a special sauce, all wrapped up in two slices of bread and then grilled.

Ingredients

Caramelized Onions

  • 3 medium sweet onions
  • 2 tablespoons butter
  • Salt and Pepper

Sauce

  • 1/4 cup mayonnaise
  • 2 tablespoons ketchup
  • 1 tablespoon relish
  • 1 teaspoons sugar
  • 1 teaspoons vinegar
  • 1 teaspoon garlic powder
  • 1/2 teaspoon paprika

Burgers

  • 1 pound ground beef
  • Salt and pepper
  • 8 slices bread rye, sourdough, or Texas toast are all popular choices
  • 8 slices cheese
  • 4 tablespoons softened butter

Instructions

  • Slice the root end and the stem end off of each onion. Remove the outer peels, then cut the onions in half from top to bottom. Working with one half at a time, cut slices from top to bottom, keeping them all about the same same size. (This is the opposite of cutting the onion into half moons.)
    3 medium sweet onions
  • Melt the butter over medium-low heat in a heavy skillet (I like a cast iron skillet) and then add the onions. Cook, stirring often, until the onions are golden and caramelized. This will take about 35-40 minutes if you still want a little bit of a bite to your onions. You can take them even farther and completely soften them, but I like a little bit of texture still for these sandwiches.
    2 tablespoons butter
  • Add some salt and pepper, to taste, about 3/4 of the way through. When the onions are done, you’ll want to taste and season again, if needed. Remove the onions from the skillet and wipe it out.
    Salt and Pepper
  • In a small bowl, combine the mayonnaise, ketchup, relish, sugar, vinegar, garlic powder, and paprika.
    1/4 cup mayonnaise, 2 tablespoons ketchup, 1 tablespoon relish, 1 teaspoons sugar, 1 teaspoons vinegar, 1 teaspoon garlic powder, 1/2 teaspoon paprika
  • Take the ground beef and divide it into 4 even portions. Shape each into a thin patty and season both sides with salt and pepper.
    1 pound ground beef, Salt and pepper
  • Heat the skillet over medium-high heat and add the patties. (You may need to do this in batches, depending on the size of your pan.) Cook the patties until they are browned, then flip and cook the second side. They cook quickly – it should only take about 3 minutes per side.
  • Assemble the sandwiches: Lay the bread out on a counter or work surface. Spread some of the sauce on each of the slices of bread, then top each with a slice of cheese. Add the 4 patties to the tops of 4 of the pieces of bread, then layer the onions on top of the patties. Place the other pieces of bread on top, cheese side down.
    8 slices bread, 8 slices cheese
  • Spread 1/2 tablespoon of softened butter on the outsides of each slice of bread.
    4 tablespoons softened butter
  • Heat a skillet or griddle over medium heat. Add the sandwiches, and cook until toasted on both sides and the cheese is melted.
  • Cut in half to serve.

Recipe Notes:

If your pan has a lid, I like to cover the sandwiches for part of the grilling to make sure the cheese melts. If you don’t have a lid, you can also use loosely tented foil.

Nutrition information provided as an estimate only. Various brands and products can change the counts. Any nutritional information should be used as a general guide.

Nutrition Information

Serving: 1sandwich, Calories: 907kcal (45%), Carbohydrates: 65g (22%), Protein: 44g (88%), Fat: 56g (86%), Saturated Fat: 25g (156%), Polyunsaturated Fat: 7g, Monounsaturated Fat: 7g, Trans Fat: 0g, Cholesterol: 162mg (54%), Sodium: 692mg (30%), Potassium: 3334mg (95%), Fiber: 2g (8%), Sugar: 16g (18%)
Keywords: patty melt, diner classic, comfort food, caramelized onions, grilled sandwich
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