Slow-Cooker Pepper Steak Recipe – Easy Crockpot Beef Dinner
Make this Slow-Cooker Pepper Steak with tender beef, crockpot dinner recipe, bell peppers, savory beef sauce, easy family meals, comfort food, slow cooker beef, weeknight dinner, meal prep recipe, and homemade pepper steak.
Equipment
- Slow cooker (6-quart recommended)
- Cutting board & knife
- Mixing bowl
- Measuring cups & spoons
- Wooden spoon or spatula
Ingredients
- 2 lbs beef sirloin or flank steak, sliced thinly against the grain
- 3 bell peppers (red, green, yellow), sliced
- 1 large onion, sliced
- 3 cloves garlic, minced
- ½ cup soy sauce
- 1 cup beef broth
- 2 tbsp tomato paste
- 1 tsp ground black pepper
- 1 tsp grated ginger
- Optional: 1 tbsp cornstarch + 2 tbsp water (for thickening)
- Optional garnishes: sesame seeds, sliced green onions
Instructions
- Prep Beef: Slice beef thinly against the grain. Season lightly with salt and pepper.
- Prep Vegetables: Slice peppers and onion into strips. Mince garlic.
- Build Sauce: In a bowl, whisk soy sauce, beef broth, tomato paste, garlic, ginger, and black pepper.
- Layer in Slow Cooker: Place beef at the bottom, add vegetables, and pour sauce over.
- Cook: Cover and cook on low for 6–7 hours or high for 3–4 hours until beef is tender.
- Optional Thickening: Stir in cornstarch slurry 30 minutes before serving if you prefer a thicker sauce.
- Serve: Spoon over rice, noodles, or mashed potatoes. Garnish with sesame seeds or green onions.
Notes
- Best Beef Cuts: Sirloin for tenderness, flank for flavor, round steak for budget‑friendly.
- Pepper Timing: Add peppers halfway through cooking for firmer texture.
- Make Ahead: Prepare in the morning; reheat gently before serving.
- Storage: Refrigerate leftovers in an airtight container for up to 3 days. Freeze for up to 3 months.
- Pro Tip: Reserve a little pasta water or broth to adjust sauce consistency before serving.