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Isla Marie

Crockpot Pepper Steak

A tender and flavorful slow-cooked beef dish with sliced bell peppers in a rich, savory sauce. The beef becomes melt-in-your-mouth soft while the sauce turns thick and glossy. Perfect for easy dinners served over rice or noodles.
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Prep Time 15 minutes
Cook Time 6 hours
Total Time 6 hours 15 minutes
Servings: 5
Course: Dinner, Main Course
Cuisine: Asian-Inspired
Calories: 360
Ingredients Equipment Method Video Notes

Ingredients
  

Main Ingredients:
  • 1½ lbs beef flank steak or sirloin, thinly sliced
  • 2 tablespoons cornstarch
  • 2 tablespoons oil
For the Sauce:
  • ½ cup soy sauce
  • 1 cup beef broth
  • 2 cloves garlic minced
  • 1 tablespoon brown sugar
  • 1 teaspoon ginger optional
For the Vegetables:
  • 1 red bell pepper sliced
  • 1 green bell pepper sliced
  • 1 onion sliced

Equipment

  • Slow cooker / crockpot
  • Skillet (optional for searing)
  • Mixing bowl
  • Knife
  • Cutting board

Method
 

Step 1. Prepare Beef
  1. Slice beef into thin strips and toss with cornstarch until evenly coated.
Step 2. Sear Beef (Optional)
  1. Heat oil in a skillet over medium-high heat and lightly brown the beef for extra flavor.
Step 3. Add to Crockpot
  1. Transfer beef to the slow cooker.
Step 4. Prepare Sauce
  1. In a bowl, mix soy sauce, beef broth, garlic, brown sugar, and ginger.
Step 5. Cook
  1. Pour sauce over the beef. Cover and cook on low for 6–7 hours or high for 3–4 hours.
Step 6. Add Vegetables
  1. Add sliced bell peppers and onion about 1 hour before cooking is done.
Step 7. Thicken Sauce (Optional)
  1. If needed, mix 1 tablespoon cornstarch with water and stir into the slow cooker during the last 20 minutes.
Step 8. Serve
  1. Serve hot over rice or noodles.

Video

Notes

  • Slice beef against the grain for tenderness.
  • Adding peppers later keeps them slightly crisp.
  • Use low-sodium soy sauce if preferred.
  • Searing beef enhances flavor but is optional.
  • Adjust sweetness or saltiness to taste.