This comprehensive guide unveils the secrets to crafting the ultimate Slow Cooker Pepper Steak. Dive into the world of tender beef, vibrant bell peppers, and a rich, savory Asian-inspired sauce, all made effortlessly in your slow cooker. Perfect for busy weeknights or a comforting family meal, this recipe guarantees a delicious, crowd-pleasing dinner that will earn rave reviews.
Looking for more tantalizing Asian favorites to master in your home kitchen? Don’t miss out on this delightful Sweet and Sour Pork Rice Bowl or the classic comfort of Egg and Pork Lo Mein. Each offers a unique flavor journey, promising delicious results.

Delicious Slow Cooker Pepper Steak: An Effortless Asian-Inspired Family Favorite
If you’re in pursuit of a truly delicious, hearty, and satisfying slow cooker meal that promises minimal fuss and maximum flavor, then this Slow Cooker Pepper Steak recipe is an absolute must-try! It’s a culinary gem that transforms simple ingredients into an extraordinary dinner experience.
Imagine succulent chunks of beef, slow-cooked to perfection, swimming in a velvety, profoundly flavorful sauce. Picture vibrant bell peppers and sweet onions, retaining just the right amount of tender-crispness, adding both color and texture to every bite. This isn’t just a meal; it’s a comforting, Asian-inspired culinary hug that the entire family will adore. The beauty of this dish lies in its simplicity – preparation is wonderfully minimal, allowing you to enjoy the process without being tied to the kitchen. It’s truly a fantastic choice any time of year, from chilly autumn evenings to breezy summer nights when you want a substantial yet effortless meal.
Why This Slow Cooker Pepper Steak Will Become Your Go-To Recipe
This Slow Cooker Pepper Steak isn’t just another dinner; it’s a culinary triumph waiting to happen in your kitchen. Here’s why it’s destined to become a staple in your recipe rotation:
- Unbeatable Convenience: The slow cooker does most of the heavy lifting. After a quick initial sear and ingredient assembly, you can set it and forget it, leaving you free to tackle other tasks or simply relax. It’s the ultimate solution for busy weeknights when time is precious.
- Incredible Flavor Development: Slow cooking allows the beef to become incredibly tender, practically melting in your mouth. More importantly, it gives the Asian-inspired sauce ample time to meld and deepen its flavors, creating a complex and satisfying taste profile that you just can’t achieve with faster cooking methods.
- Hearty and Wholesome: Packed with protein from the beef and essential nutrients from a generous helping of vegetables, this dish is both filling and nourishing. It’s a complete meal that will satisfy even the biggest appetites.
- Family-Friendly Appeal: The savory, slightly sweet, and tangy sauce, combined with tender beef and soft vegetables, appeals to a wide range of palates, making it a guaranteed hit with both adults and children. Say goodbye to dinner time negotiations!
- Versatile Serving Options: While traditionally served over steamed rice, this pepper steak is wonderfully versatile. It pairs beautifully with noodles, quinoa, or even a side of roasted vegetables, allowing you to customize it to your preference.
- Meal Prep Dream: This recipe makes a generous batch, perfect for feeding a crowd or for enjoying delicious leftovers throughout the week. It reheats beautifully, making it an excellent candidate for meal prepping and efficient planning.

Key Ingredients for Your Perfect Pepper Steak
Crafting this delectable Slow Cooker Pepper Steak begins with selecting quality ingredients that build layers of flavor. Here’s a closer look at what you’ll need and why each component is essential:
- Oil: A good quality oil is crucial for browning the steak. I personally favor extra-virgin olive oil for its rich flavor, but a neutral oil like canola, vegetable, or avocado oil will also work beautifully, allowing the beef’s natural flavors to shine.
- Beef: For this recipe, beef sirloin is my cut of choice. It’s incredibly forgiving in the slow cooker, becoming wonderfully tender without requiring a premium price tag. You don’t need an expensive cut; the slow cooking process does wonders for the sirloin, transforming it into melt-in-your-mouth perfection. Other great options include flank steak or chuck roast, cut against the grain.
- Cornstarch: This culinary chameleon plays a dual role: first, coating the beef to create a slight crust during browning, which helps seal in juices; second, it’s essential for achieving that beautifully thickened, glossy sauce that coats every strand of meat and vegetable.
- Soy Sauce: The cornerstone of our Asian-inspired sauce, soy sauce provides a deep umami and salty base. I highly recommend using a low-sodium soy sauce to give you more control over the overall saltiness of the dish, allowing you to adjust to taste without it becoming overly salty.
- Brown Sugar: A touch of brown sugar is vital for balancing the savory and tangy notes in the sauce. It contributes a subtle sweetness and a hint of molasses, creating a harmonious flavor profile without making the dish overly sweet.
- Rice Vinegar: To counteract the richness and sweetness, rice vinegar introduces a bright, tangy acidity. This ingredient is key to balancing the flavors, lifting the sauce, and adding that signature Asian zest.
- Garlic & Ginger: These aromatic powerhouses are non-negotiable for authentic Asian flavor. While dried versions can be substituted in a pinch, fresh garlic and ginger will undoubtedly provide the most vibrant, pungent, and aromatic results, elevating the entire dish.
- Vegetables: The star vegetables here are a large onion and plenty of bell peppers. The original recipe suggests 6 smaller peppers, but if yours are larger, 4 will suffice. Feel free to use any color bell pepper you prefer – red, orange, and yellow add beautiful visual appeal and a sweeter flavor, while green peppers offer a slightly more robust, earthy note.
- Broth: Beef broth forms the liquid base of our luscious sauce. It adds depth and richness, ensuring the beef cooks in a flavorful environment. Low-sodium beef broth is recommended for better control over seasoning.
- For Serving: To complete this incredible meal, you’ll want some freshly prepared steamed rice as a bed for the savory steak. A sprinkle of fresh cilantro adds a burst of herbaceous freshness, and a dash of toasted sesame seeds provides a delightful nutty crunch and visual elegance.

How to Make Slow Cooker Pepper Steak: A Step-by-Step Guide
Creating this savory Slow Cooker Pepper Steak is surprisingly straightforward, turning a potentially complex dish into an easy weeknight wonder. Follow these steps for perfect results:
- Sear the Steak: Begin by heating 1 tablespoon of olive oil (or your chosen neutral oil) in a large skillet over high heat. A cast iron skillet works wonderfully for achieving a beautiful sear. Working in batches to avoid overcrowding the pan, add half of the beef sirloin pieces and sear them until deeply browned on all sides. This crucial step develops rich flavor through the Maillard reaction, which significantly enhances the overall taste of your finished dish. Once browned, remove the steak to a clean cutting board. Repeat with the remaining oil and steak.
- Slice the Steak: After all the steak has been expertly browned, allow it to rest for a few minutes on the cutting board. Then, using a sharp knife, cut the beef against the grain into uniform 1/2-inch to 3/4-inch thick strips. Slicing against the grain ensures maximum tenderness. While you can make them smaller for faster cooking, these dimensions provide a satisfying, hearty bite.
- Assemble in Slow Cooker: Transfer all the sliced, seared steak into the bottom of your slow cooker. Sprinkle 3 tablespoons of cornstarch evenly over the beef. Using tongs, toss the beef thoroughly to ensure each piece is lightly coated with the cornstarch. This initial coating helps create a slight crust and will contribute to the sauce’s body later.
- Prepare the Sauce Base: In a separate bowl or a liquid measuring cup, combine the soy sauce, brown sugar, rice vinegar, minced garlic, and grated ginger. Whisk these ingredients together until well combined and the brown sugar has dissolved. This creates the aromatic and flavorful foundation of your pepper steak sauce. Pour this mixture evenly over the steak in the slow cooker. Season with salt and pepper to taste, keeping in mind the saltiness of the soy sauce.
- Initial Slow Cook: Secure the lid on your slow cooker. Cook on the low setting for 2 hours. This initial cooking phase allows the beef to begin tenderizing and absorb the rich flavors of the sauce.
- Add Vegetables: After the first 2 hours of cooking, carefully remove the lid. Add the sliced onion and colorful bell peppers to the slow cooker. Stir everything gently to combine, ensuring the vegetables are partially submerged in the sauce. Replace the lid and continue to cook on low for an additional 1 1/2 hours. This timed addition ensures the vegetables remain tender-crisp rather than becoming overly soft.
- Thicken the Sauce: In a small bowl, whisk together the remaining 1 tablespoon of cornstarch with the beef broth until smooth, creating a slurry. Pour this cornstarch mixture into the slow cooker, stirring it into the sauce. This final addition will thicken the sauce to a perfect, glossy consistency. Cook for an additional 30 minutes, uncovered if you prefer a thicker sauce, until the sauce has reached your desired thickness.
- Serve and Enjoy: Once the sauce is perfectly thickened and the beef is fork-tender, your Slow Cooker Pepper Steak is ready! Serve immediately over a bed of fluffy steamed white or brown rice. Garnish with a generous sprinkle of fresh chopped cilantro and toasted sesame seeds for added flavor and visual appeal, if desired.

Expert Tips for Success
Achieving a truly outstanding Slow Cooker Pepper Steak is easy with a few insider tricks. Here are some expert tips to ensure your dish is perfect every time:
- Timing the Vegetables for Texture: While it’s tempting to toss all the ingredients in at once, adding the onions and bell peppers during the last half of the cooking time (after the first 2 hours) is key. This prevents them from becoming overly soft or mushy, allowing them to retain a pleasant, tender-crisp texture that contrasts beautifully with the tender beef. If you prefer very soft vegetables, you can add them at the beginning.
- Adjusting for Steak Thickness: If you opt to cut your steak into thinner strips (less than 1/2 inch), it will cook faster. To avoid overcooking the beef, consider adding the vegetables after just 1 hour of initial cooking, instead of 2 hours, to ensure everything finishes cooking around the same time while maintaining optimal texture.
- Batch Cooking & Portion Control: This recipe is designed to yield 6 generously hearty portions, making it ideal for family dinners or entertaining. If you’re cooking for fewer people, feel free to easily halve the recipe. Alternatively, make the full batch and enjoy the convenience of delicious leftovers for lunch or dinner later in the week.
- The Power of Browning: Do not skip the browning step! Searing the beef before adding it to the slow cooker isn’t just for looks; it develops a deep, rich flavor through the Maillard reaction that significantly enhances the final taste of your pepper steak.
- Fresh Aromatics Make a Difference: While dried garlic and ginger can work, using fresh, minced garlic and grated ginger truly elevates the aroma and flavor profile of the sauce. Their vibrant notes bring an unparalleled freshness to this Asian-inspired dish.
- Taste and Adjust Seasoning: Always taste your sauce before and after cooking. Soy sauce varies in sodium content, so start with low-sodium and adjust the salt and pepper at the end. A pinch more sugar or a splash more rice vinegar can also help balance flavors.
- Garnish for Impact: Don’t underestimate the power of a good garnish! Fresh cilantro adds a bright, herbaceous note, and toasted sesame seeds provide a delightful textural crunch and a hint of nuttiness, making your plate look as good as it tastes.

Serving Suggestions for Your Pepper Steak
Slow Cooker Pepper Steak is a complete meal on its own, but pairing it with the right accompaniments can elevate the dining experience. Here are some delightful serving suggestions:
- Classic Steamed Rice: The most traditional and beloved pairing is fluffy steamed white or brown rice. The rice soaks up the rich, savory sauce beautifully, making every bite a harmonious blend of flavors and textures.
- Noodles: For a different take, serve your pepper steak over egg noodles, rice noodles, or even ramen noodles. The noodles provide a wonderful vehicle for the sauce and a comforting alternative to rice.
- Quinoa or Cauliflower Rice: For a lighter or lower-carb option, quinoa offers a nutty flavor and added protein, while cauliflower rice is an excellent grain-free substitute that still absorbs the delicious sauce.
- Steamed Vegetables: Enhance your meal with a side of lightly steamed broccoli, green beans, or asparagus. Their freshness and slight crunch complement the tender steak and rich sauce.
- Asian Slaw: A crisp, tangy Asian slaw can provide a refreshing contrast to the hearty pepper steak, adding another layer of texture and flavor.
- Garnishes: Don’t forget your garnishes! Freshly chopped cilantro and toasted sesame seeds are not just for looks; they add bright flavors and a pleasant crunch that finish the dish perfectly. A drizzle of chili oil or sriracha can also add a welcome kick for those who enjoy a bit of heat.
Storage and Meal Prep
This Slow Cooker Pepper Steak is fantastic for meal prepping and makes delicious leftovers. Here’s how to store it and enjoy it later:
- Refrigeration: Allow the pepper steak to cool completely. Transfer it to an airtight container and store it in the refrigerator for up to 3-4 days. The flavors often deepen and improve overnight!
- Freezing: This dish freezes wonderfully. Once cooled, place the pepper steak (with its sauce) in a freezer-safe container or heavy-duty freezer bags. Remove as much air as possible to prevent freezer burn. It can be frozen for up to 3 months.
- Reheating:
- From Refrigerated: Reheat portions gently in a microwave or on the stovetop over medium-low heat until warmed through. You might need to add a splash of beef broth or water to loosen the sauce if it has thickened too much.
- From Frozen: For best results, thaw overnight in the refrigerator. Then, reheat as you would refrigerated leftovers. If reheating directly from frozen, use the stovetop on low heat, stirring occasionally, or microwave on a defrost setting followed by regular heating until thoroughly warm.
- Meal Prep Tips: Cook a large batch on the weekend and divide it into individual portions with rice in meal prep containers for quick and easy lunches or dinners throughout the week.

Frequently Asked Questions (FAQ)
Here are answers to some common questions you might have about making Slow Cooker Pepper Steak:
Can I use a different cut of beef?
Yes! While sirloin is recommended for its tenderness and affordability, you can also use flank steak, chuck roast, or even round steak. Just be sure to cut them against the grain and adjust cooking times if needed, as tougher cuts might benefit from slightly longer slow cooking.
How can I make the sauce thicker or thinner?
If your sauce isn’t as thick as you’d like after the final 30 minutes, you can remove a cup of the sauce, whisk in another tablespoon of cornstarch, and return it to the slow cooker, cooking for an additional 15-20 minutes. For a thinner sauce, simply add a bit more beef broth or water until it reaches your desired consistency.
Can I add other vegetables?
Absolutely! Feel free to customize your pepper steak with other quick-cooking vegetables. Sliced mushrooms, snap peas, or bamboo shoots would be delicious additions. Add them during the last hour of cooking to ensure they cook through without becoming mushy.
Is this recipe gluten-free?
The original recipe is not gluten-free due to soy sauce. To make it gluten-free, simply substitute regular soy sauce with a gluten-free tamari. Ensure all other ingredients (like broth) are also certified gluten-free.
How spicy is this dish?
As written, this recipe is mild. If you prefer a spicy kick, you can add a pinch of red pepper flakes with the sauce ingredients or stir in a tablespoon of chili garlic sauce along with the broth and cornstarch slurry. You can also serve with sriracha on the side for individual customization.
Can I prepare this ahead of time?
Yes, you can prep some components in advance. Slice the beef, chop the onions and peppers, mince the garlic and ginger, and even whisk together the sauce ingredients (except cornstarch slurry) a day ahead. Store everything separately in airtight containers in the refrigerator, then proceed with the cooking steps when ready.
More Effortless Slow Cooker Dinners
Embrace the magic of your slow cooker with these other incredibly easy and delicious recipes that promise minimal effort and maximum flavor:
Slow Cooker Pot Roast
Crock Pot Chicken Alfredo
Slow Cooker Ribs
Crock Pot Beans and Sausage
Mississippi Pot Roast
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Slow Cooker Pepper Steak
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Ingredients
- 2 tablespoons extra-virgin olive oil
- 3 pounds beef sirloin
- 4 tablespoons cornstarch divided
- 3/4 cup soy sauce
- 1/4 cup brown sugar
- 1/4 cup rice vinegar
- 3 cloves garlic minced
- 2 tablespoons grated ginger
- Salt and pepper
- 1 large onion sliced
- 4 large bell peppers or 6 smaller sliced
- 1/2 cup beef broth
- Rice for serving
- Cilantro for serving
- Sesame seeds for serving
Instructions
- Heat 1 tablespoon of the oil in a skillet over high heat. Add half of the steaks and cook until browned on both sides. Remove to a cutting board. Repeat with the remaining oil and remaining steak.
- Once all of the steak has been browned, cut it against the grain into 1/2 to 3/4 inch slices. Place in the bottom of a slow cooker.
- Sprinkle 3 tablespoons of the cornstarch over the top of the beef, then toss with tongs to coat.
- In a bowl or liquid measuring cup, combine the soy sauce, brown sugar, rice vinegar, garlic, and ginger. Pour over the steak. Add salt and pepper to taste.
- Cover and cook for 2 hours.
- After the 2 hours, add the onion and bell peppers. Stir to combine. Return the lid to the slow cooker and cook for an additional 1 1/2 hours.
- Combine the beef broth with the remaining 1 tablespoon of cornstarch. Add to the slow cooker and cook an additional 30 minutes.
- Serve the pepper steak over rice and top with fresh cilantro and sesame seeds, if desired.
Recipe Notes:
This makes 6 fairly hearty portions. Feel free to cut the recipe in half.
Adapted from The Rachael Ray Show
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 does not include rice or any toppings.
