Crockpot Pepper Steak with Tender Sirloin and Savory Pepper Sauce
By Mason Brooks
Prep
10 min
Cook
360 min
Total
370 min
Servings
6
Level
Easy
Choose beef sirloin strips or tips or other prepared products labeled for stir-fry use for the tenderest meat in this Crockpot Pepper Steak recipe. Use a slow cooker to prepare a satisfying main dish with beef and sliced bell peppers and onions in a sauce flavored with soy sauce, Worcestershire sauce, honey, and ginger.

Hot beef broth helps dissolve bouillon and other sauce ingredients, including soy sauce, Worcestershire sauce, honey, ginger, other seasonings, and cornstarch or flour. The sauce is poured over sirloin steak and topped with sliced peppers and onions and raw garlic. Bell peppers add bulk and color to the dish. A sweet onion or yellow onion adds mild flavor.

When starting the recipe, the slow cooker may seem dry compared to other dishes, but the beef and other vegetables add moisture during the cooking process. The finished dish should be saucy and tender when eaten. Other potential problems with this recipe include overcooking and soggy bell peppers. To help prevent soggy bell peppers, cook them for 30 to 60 minutes near the end of the recipe.
Served with white, basmati, or brown rice; noodles; or mashed or baked potatoes. Can also be served without additional toppings or sides. Store leftovers in the refrigerator in airtight containers. Store leftovers in the freezer in freezer-safe containers. Reheat in the microwave or oven.
Why you'll love this recipe
- Sirloin strip and tip steaks and other ready-to-stir-fry beef cuts are good choices because sirloin is a tender cut that becomes even more tender when slow-cooked.
- Three bell peppers provide a lot of vegetable nutrition to this dish.
- Bell peppers in multiple colors provide the same flavor from bell peppers but in a more visually appealing way.
- Use fresh garlic for flavor, but garlic powder is a good alternative if you don't have fresh garlic on hand.
- Beef broth and bouillon cubes are used as ingredients in recipes, Vegetables and meats produce additional liquid during cooking.
- Honey can be replaced with agave syrup or pure maple syrup to add subtle sweetness to other ingredients in your pantry.
- Cornstarch and flour help thicken broth, Broth made from meat and vegetable juices won't be as thick without cornstarch and flour.
Ingredients
- •2 lb beef sirloin strips (or sirloin steak cut into slices)
- •3 large colorful bell peppers (sliced thick)
- •1 large onion (sliced)
- •3 cloves garlic
- •¾ cup beef broth (hot)
- •3 beef bouillon cubes
- •¼ cup soy sauce
- •2 tsp Worcestershire sauce
- •2 tbsp honey
- •1 tsp ground ginger
- •½ tsp black pepper
- •½ tsp salt
- •2 tbsp cornstarch or flour
Instructions
- 1
Combine the hot beef broth, bouillon cubes, soy sauce, Worcestershire sauce, honey, ground ginger, black pepper, salt, and cornstarch or flour in a mixing glass.
- 2
Stir the sauce well, crushing the bouillon cubes.
- 3
Place the beef strips in the slow cooker and pour the sauce over them.
- 4
Add the bell peppers, onion, and garlic on top of the beef.
- 5
Cook on LOW for 6 hours or HIGH for 3 hours, stirring once halfway through if possible.
- 6
Stir well when finished, transfer to a serving dish, and serve over rice or noodles or with mashed or baked potatoes.
FAQ
Nutrition (per serving)
Calories
267
Protein
36g
Fat
5g
Carbs
18g
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