This slow cooker pepper steak recipe is rich, savory, and packed with tender beef strips slowly cooked with sweet bell peppers and onions in a flavorful homemade sauce.

The beef becomes incredibly tender while the peppers and onions absorb all the delicious slow-cooked flavor. This comforting crockpot dinner is perfect served over rice, mashed potatoes, or noodles for an easy family meal everyone will love.

Simple ingredients and minimal prep make this recipe perfect for busy weeknights, meal prep, or cozy homemade dinners.

Why You’ll Love This Recipe

• Easy slow cooker dinner
• Tender flavorful beef
• Rich savory sauce
• Perfect comfort food
• Minimal prep work
• Great for meal prep
• Family-friendly recipe

Ingredients

• 2 pounds beef sirloin or stew meat, sliced into strips
• 2 green bell peppers, sliced
• 1 red bell pepper, sliced
• 1 yellow bell pepper, sliced
• 1 large onion, sliced
• 3 cloves garlic, minced
• 2 cups beef broth
• ¼ cup soy sauce
• 2 tablespoons Worcestershire sauce
• 2 tablespoons cornstarch
• 2 tablespoons water
• 1 teaspoon black pepper
• 1 teaspoon paprika
• 1 teaspoon onion powder
• 1 tablespoon olive oil

Optional Add-Ins

• Mushrooms
• Red pepper flakes
• Sesame seeds
• Fresh parsley
• Brown gravy mix

How to Make Slow Cooker Pepper Steak

Step 1: Sear the Beef

Heat olive oil in a skillet over medium-high heat.

Quickly brown the beef strips for extra flavor.

Step 2: Add Ingredients to Slow Cooker

Place sliced peppers and onions into the slow cooker.

Add beef and garlic.

Step 3: Make the Sauce

In a bowl, whisk together beef broth, soy sauce, Worcestershire sauce, paprika, onion powder, and black pepper.

Pour over the beef and vegetables.

Step 4: Slow Cook

Cover and cook on LOW for 6–7 hours or HIGH for 3–4 hours until the beef is tender.

Step 5: Thicken the Sauce

Mix cornstarch with water and stir into the slow cooker during the final 20 minutes of cooking.

Step 6: Serve

Serve hot over rice, mashed potatoes, or noodles.

Recipe Tips

• Searing the beef adds deeper flavor.
• Use fresh bell peppers for the best texture.
• Do not overcook the peppers if you prefer them firmer.
• Add mushrooms for extra richness.

Storage and Reheating

Refrigerator

Store leftovers in an airtight container for up to 4 days.

Freezer

Freeze for up to 2 months.

Reheating

Warm gently on the stovetop or microwave until heated through.

What to Serve with Pepper Steak

This recipe pairs perfectly with:

• White rice
• Mashed potatoes
• Buttered noodles
• Roasted vegetables
• Garlic bread

Recipe Details

• Prep Time: 15 minutes
• Cook Time: 7 hours
• Total Time: 7 hours 15 minutes
• Servings: 6
• Calories: Approximately 420 per serving

Frequently Asked Questions

What cut of beef works best?

Sirloin, flank steak, or stew meat work best for slow cooking.

Can I make this recipe spicy?

Yes. Add red pepper flakes or sliced jalapeños.

Can I cook this on HIGH?

Yes. Cook for 3–4 hours on HIGH.

Can I freeze leftovers?

Yes. Let cool completely before freezing.

Conclusion

This slow cooker pepper steak recipe is a hearty comfort food dinner filled with tender beef, colorful peppers, and rich savory flavor. Easy preparation and delicious homemade taste make this crockpot recipe perfect for busy family dinners or cozy weeknight meals.