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Slow Cooker Pepper Beef Recipe

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4.5 from 321 reviews

A flavorful slow-cooked pepper steak featuring tender beef sirloin simmered with a vibrant mix of colorful bell peppers, onions, and a savory sauce made with beef broth, soy sauce, honey, and aromatic spices. This comforting dish is perfect served over rice, noodles, or alongside potatoes.

Ingredients

Beef and Vegetables

  • 2 lbs of beef sirloin, either in strips or sliced steak
  • 3 large bell peppers of varied colors, sliced thickly
  • 1 large onion, sliced
  • 3 cloves of garlic

Sauce

  • ¾ cup of beef broth (heated)
  • 3 beef bouillon cubes, crushed
  • ¼ cup of soy sauce
  • 2 teaspoons of Worcestershire sauce
  • 2 tablespoons of honey
  • 1 teaspoon of ground ginger
  • ½ teaspoon of black pepper
  • ½ teaspoon of salt
  • 2 tablespoons of cornstarch or flour

Instructions

  1. Prepare the Sauce: In a bowl, whisk together the heated beef broth, soy sauce, Worcestershire sauce, honey, ground ginger, black pepper, and salt. Add the cornstarch or flour and mix until smooth. Crush the beef bouillon cubes and blend them thoroughly into the sauce mixture.
  2. Layer the Ingredients: Place the beef strips evenly in the slow cooker. Pour the prepared sauce over the beef. Then, layer the sliced bell peppers, onion, and whole garlic cloves on top in an even layer.
  3. Cook: Cover the slow cooker and set it to cook on LOW for 6 hours or on HIGH for 3 hours. For best texture and flavor, gently stir the contents halfway through the cooking time if possible.
  4. Serve: After cooking, stir the mixture well to coat the beef and vegetables with the sauce. Transfer the pepper steak to a serving dish and serve hot over a bed of fluffy rice, noodles, or alongside mashed or baked potatoes for a hearty meal.

Notes

  • Using a variety of bell pepper colors adds vibrant flavor and visual appeal.
  • Adjust salt and pepper levels to your taste preference.
  • For a thicker sauce, let the slow cooker cook uncovered for the last 30 minutes.
  • Substitute beef broth with low sodium broth to reduce salt intake.
  • Can be made in advance; flavors improve when reheated the next day.