Name: Slow Cooker Pepper Steak Recipe
Prep time: 15 min
Cook time: 6 h
Total time: 6 h 15 min
Cuisine: American Asian Fusion
Ingredients: 2 pounds flank steak, sliced into 1/4-inch strips; 3-4 tbsp cornstarch; 1 large green bell pepper, sliced thick; 1 large red bell pepper, sliced thick; 1 medium onion, sliced thick; 14.5 ounce can petite diced tomatoes (with liquid); ½ cup beef broth (or water); ½ cup soy sauce; 2-3 tbsp brown sugar (adjust to desired sweetness); 1 tsp Worcestershire sauce; 3-4 garlic cloves, minced; 1 tsp fresh ginger, peeled and minced; 1 tsp salt; 1 tsp black pepper

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If you are craving a comforting, flavorful meal that practically makes itself, this Slow Cooker Pepper Steak Recipe is your new best friend in the kitchen. Combining tender strips of flank steak, vibrant bell peppers, and a rich, tangy sauce simmered to perfection, this dish is a celebration of classic flavors with minimal effort. Whether it's a busy weeknight or a relaxed weekend dinner, this recipe will quickly become a go-to for satisfying your hunger and delighting your taste buds.

Ingredients You'll Need

The image shows several clear glass bowls arranged on a white marbled surface. In the bottom left, there is a large bowl filled with thin strips of raw red beef. To the right of it and slightly above, a medium bowl holds bright red chopped tomatoes. Moving rightwards, there are two small white bowls with sliced green and red bell peppers. Next to them, a small white bowl contains chopped white onions. Above the beef, a small bowl holds minced garlic, and beside it are smaller bowls with salt and pepper, minced ginger, white powder (likely cornstarch), and brown sugar. There are two small clear glasses with dark liquids and a clear measuring cup containing a reddish-brown liquid near the bottom right corner. The setup is neat and well-lit, highlighting the fresh ingredients photo taken with an iphone --ar 4:5 --v 7

Gathering simple, fresh ingredients is the first step to creating the magic of this Slow Cooker Pepper Steak Recipe. Each ingredient plays a key role in building layers of taste, from the savory steak to the sweet crunch of bell peppers, creating a dish that's balanced and appetizing in every bite.

2 pounds flank steak: Sliced into ¼-inch strips for perfect tenderness and quick cooking.
3-4 tablespoon cornstarch: Helps thicken the sauce while giving the steak a light coating for better texture.
1 large green bell pepper: Sliced thick to maintain a satisfying crunch and fresh color.
1 large red bell pepper: Adds sweetness and vibrant red hue for visual contrast.
1 medium onion: Thickly sliced to soften and caramelize gently in the slow cooker.
14.5 ounce can petite diced tomatoes: Includes the liquid to add body and a slight acidity to the sauce.
½ cup beef broth (or water): Enhances the meaty depth and keeps the dish juicy.
½ cup soy sauce: Provides a salty, umami foundation that ties all flavors together.
2-3 tablespoon brown sugar: Balances savory notes with a touch of sweetness; adjust to your taste.
1 teaspoon Worcestershire sauce: Adds complexity and a subtle tangy punch.
3-4 garlic cloves: Minced to infuse the dish with aromatic warmth.
1 teaspoon fresh ginger: Peeled and minced for a slight zing and freshness.
1 teaspoon salt: Enhances every ingredient's natural flavor.
1 teaspoon black pepper: Gives a mild kick without overpowering the dish.

How to Make Slow Cooker Pepper Steak Recipe

A black slow cooker bowl sits on a white marbled surface, filled with three visible layers. The bottom layer is raw ground meat with a deep red color and slightly coarse texture. On top of the meat is a layer of sliced vegetables including white onion pieces, bright green and red bell pepper slices arranged around the edges. The top layer in the center is a chunky, vibrant red tomato mixture with small tomato pieces. The colors are bright and natural, creating a fresh, hearty look. Photo taken with an iphone --ar 4:5 --v 7

Step 1: Coat the Flank Steak

Begin by placing your thinly sliced flank steak directly into the slow cooker and tossing it with the cornstarch. This little step is genius because it thickens your sauce later and gives your meat a lovely, slightly crispy edge even after slow cooking. It also helps the flavors cling beautifully to every piece.

Step 2: Layer in the Vegetables

Next, simply spread the thick slices of green and red bell peppers along with the onion over the coated steak. These veggies add vibrant colors and a delightful crunch that contrasts perfectly with the tender steak once cooked.

Step 3: Prepare and Pour the Sauce

In a separate bowl, whisk together diced tomatoes (with all their juice), beef broth, soy sauce, brown sugar, Worcestershire sauce, garlic, ginger, salt, and black pepper. Pour this aromatic sauce generously over the meat and vegetables in the slow cooker, ensuring everything gets coated in this savory-sweet mixture.

Step 4: Cook Low and Slow

Cover your slow cooker and set it on low for about 6 hours to let all the flavors meld together and the steak to become tender beyond belief. If you’re short on time, cooking on high for 3 hours will still yield a delicious result, though slow cooking longer allows for deeper flavor development.

Step 5: Serve and Enjoy

Once done, your Slow Cooker Pepper Steak Recipe is ready to warm up your dinner table. Serve it piping hot, ideally over a fluffy bed of white rice to soak up all that luscious sauce and make each bite even more satisfying.

How to Serve Slow Cooker Pepper Steak Recipe

Garnishes

Fresh garnishes elevate this hearty dish! Sprinkle chopped green onions or thinly sliced fresh cilantro over the top for a pop of color and refreshing herbal hint. If you like a touch of heat, a few red pepper flakes or sliced fresh chili peppers add a nice kick that complements the sauce beautifully.

Side Dishes

This pepper steak pairs wonderfully with simple sides. White jasmine or basmati rice is classic, absorbing the flavors effortlessly. For a low-carb option, try steamed cauliflower rice or a crisp green salad with a light vinaigrette to cut through the richness. Garlic bread on the side is fantastic too when you want a little indulgence.

Creative Ways to Present

Want to impress your guests? Serve this dish in small, shallow bowls to showcase the colorful peppers and steak strips. You can also spoon it into warm tortillas for a fun fusion-style wrap or load it atop toasted baguette slices for pepper steak crostinis – perfect for sharing at casual gatherings.

Make Ahead and Storage

Storing Leftovers

Leftover Slow Cooker Pepper Steak Recipe can be stored in airtight containers in the refrigerator for up to 4 days. The flavors develop even further overnight, making it great for next-day lunches or dinners. Just be sure to cool the dish completely before refrigerating to maintain freshness.

Freezing

This recipe freezes beautifully. Portion it into freezer-safe containers and it will keep for up to 3 months. When ready to enjoy, thaw overnight in the fridge and reheat gently on the stove or microwave, stirring occasionally to keep the sauce smooth and the meat tender.

Reheating

Reheat your leftover pepper steak on the stovetop over low to medium heat to preserve the texture of the steak and vegetables. You might want to add a splash of water or broth to loosen the sauce if it has thickened too much. Avoid overheating as it can toughen the meat.

FAQs

Can I use a different cut of beef in this recipe?

Absolutely! While flank steak is ideal for its tenderness and quick cooking, you can substitute skirt steak or sirloin slices. Just keep the thickness consistent for even cooking in the slow cooker.

Is it possible to make this dish spicy?

Yes! Add chopped jalapeños, a dash of cayenne pepper, or a few dashes of hot sauce into the sauce mixture before cooking. Adjust according to your preferred spice level.

Can I prepare this recipe without soy sauce?

If you need a soy-free version, try coconut aminos; they offer a similar umami taste without soy. Just keep in mind the flavor may be a bit sweeter and lighter.

How do I prevent the vegetables from getting too mushy?

By slicing the bell peppers and onion thickly and adding them on top rather than mixing, they retain some texture even after long cooking times. Slow cooking on low also helps maintain their integrity.

What should I serve with Slow Cooker Pepper Steak Recipe if I want a lighter meal?

Pair it with steamed or roasted vegetables and skip the rice for a lighter yet satisfying meal. Green beans, broccoli, or a crisp side salad all complement the dish well.

Final Thoughts

This Slow Cooker Pepper Steak Recipe is truly one of those gems that combines simplicity and rich, comforting flavors perfectly. It’s perfect for anyone wanting a hearty, satisfying meal without spending hours in the kitchen. I encourage you to give it a try and see how this slow cooker magic can transform everyday ingredients into something absolutely delicious and comforting.

Ingredients You'll Need