If you have ever craved a comforting, savory dinner that practically cooks itself, you are going to love this Pepper Steak in a Crock Pot Recipe. Imagine tender strips of beef soaking in a flavorful soy and garlic sauce, combined with colorful bell peppers and sweet onion, all slow-cooked to perfection. This dish brings out the best of Asian-inspired flavors with minimal effort, making it a perfect choice for busy weeknights or any time you want a warm and satisfying meal without the fuss.

Ingredients You’ll Need
The magic of this Pepper Steak in a Crock Pot Recipe comes from simple, wholesome ingredients that blend beautifully to deliver rich flavor, tender texture, and vibrant color. Each item on the list plays a vital role in making this dish truly unforgettable.
- 2 pounds beef sirloin or flank steak: Thinly sliced strips ensure quick cooking and tender bites.
- 2 tablespoons cornstarch: Helps thicken the sauce to a silky consistency.
- 1/4 cup low-sodium soy sauce: Adds a salty, umami depth without overpowering.
- 1/4 cup beef broth: Enhances the meaty richness of the dish.
- 2 tablespoons brown sugar: Balances savory with a touch of sweetness.
- 1 tablespoon sesame oil (or vegetable oil): Brings a nutty aroma and smooth mouthfeel.
- 1 tablespoon minced garlic: Infuses the sauce with a fragrant punch.
- 1 teaspoon ground ginger: Adds a warm, slightly spicy note.
- 1/2 teaspoon black pepper: Delivers just enough heat to complement the dish.
- 1 red bell pepper, sliced: Offers sweetness and vibrant color.
- 1 green bell pepper, sliced: Provides a fresh crunch and balance.
- 1 medium onion, sliced: Adds natural sweetness as it slowly softens.
How to Make Pepper Steak in a Crock Pot Recipe
Step 1: Prepare the Beef
Start by thinly slicing your beef sirloin or flank steak into strips. This is key to ensuring quick, even cooking so the meat becomes irresistibly tender by the end. Place the beef in the bottom of your slow cooker as your solid base for the flavors.
Step 2: Mix the Sauce
In a small bowl, whisk together cornstarch, soy sauce, beef broth, brown sugar, sesame oil, minced garlic, ground ginger, and black pepper. This sauce is the heart of the recipe—each ingredient contributes a unique layer, from the umami-rich soy to the sweet and spicy tones.
Step 3: Combine and Layer
Pour your sauce mixture over the beef in the crock pot. Gently stir to ensure every slice is coated with that delicious marinade. Then, add the sliced red and green bell peppers along with the onion on top, creating a colorful and flavorful vegetable layer.
Step 4: Slow Cook to Perfection
Cover your slow cooker and set it to low heat for 5 to 6 hours or high heat for 2.5 to 3 hours. This slow cooking method lets the beef become tender and juicy while the vegetables soften just right. The aroma filling your kitchen at this stage can hardly be beat.
Step 5: Final Touches
Before serving, give the mixture a good stir to evenly distribute the sauce and flavors. If you want a thicker sauce, simply remove the lid during the last 30 minutes or whisk in an additional cornstarch slurry to your liking.
How to Serve Pepper Steak in a Crock Pot Recipe

Garnishes
Fresh garnishes elevate this dish perfectly. Sprinkle chopped green onions or toasted sesame seeds on top for added texture and a pop of color that makes each plate look as good as it tastes.
Side Dishes
Pepper Steak in a Crock Pot Recipe pairs wonderfully with steamed jasmine rice or fluffy noodles, which soak up the savory sauce splendidly. For a healthier option, try it alongside quinoa or cauliflower rice to keep things light yet satisfying.
Creative Ways to Present
For a fun twist, serve the pepper steak over crispy wonton strips or inside lettuce cups to combine a crunchy texture with freshness. It also makes a fantastic topping for baked potatoes or stuffed bell peppers, transforming leftovers into an exciting new meal.
Make Ahead and Storage
Storing Leftovers
Store any leftover pepper steak in an airtight container in the refrigerator for up to 3 days. The flavors actually meld beautifully overnight, making your next meal taste even better. Just be sure to cool it before refrigerating to keep everything fresh.
Freezing
If you want to enjoy this Pepper Steak in a Crock Pot Recipe later, freeze it in a freezer-safe container for up to 3 months. When ready, thaw overnight in the fridge before reheating, ensuring your beef and vegetables maintain their tenderness.
Reheating
Reheat gently on the stove over medium heat to keep the beef tender and prevent overcooking. You can also microwave in short bursts, stirring in between, for a quick warm-up that preserves the mouthwatering sauce.
FAQs
Can I use a different cut of beef?
Absolutely! While sirloin or flank steak work best for tenderness and quick cooking, you can use other cuts like ribeye or skirt steak as long as you slice thinly against the grain.
Is it possible to make this recipe gluten-free?
Yes, just substitute the soy sauce with a gluten-free tamari or coconut aminos to keep all the fantastic flavors without gluten.
Can I add other vegetables?
Definitely! Mushrooms, snow peas, or baby corn make perfect additions to add more texture and nutrition to your Pepper Steak in a Crock Pot Recipe.
How thick will the sauce be?
The cornstarch helps thicken the sauce during cooking, creating a nice glaze over the steak and veggies. If you prefer it thicker, you can always add more cornstarch slurry towards the end.
Can I cook this recipe on the stovetop instead of a crock pot?
You can, though it requires more attention. Sear the beef first, then simmer with sauce and vegetables for 15-20 minutes until tender, but the slow cooker really brings out the best tenderness and flavor.
Final Thoughts
This Pepper Steak in a Crock Pot Recipe is truly one of those dishes that feels like a warm hug after a long day. Its ease of preparation combined with bold, satisfying flavors makes it an absolute winner in my book. I hope you give it a try soon—it’s a fantastic way to enjoy a delicious and comforting meal with minimal effort and lots of heart.
