Description

This Pepper Steak Slow Cooker recipe offers tender slices of flank steak combined with colorful bell peppers and onions in a savory sauce made with soy sauce, Worcestershire, and aromatic spices. The slow cooking process ensures the meat becomes melt-in-your-mouth tender while the vegetables maintain a hearty texture, making it a perfect, easy-to-prepare meal served over rice or noodles.

Ingredients

Scale

Meat

680 grams flank steak or sirloin, thinly sliced into strips

Vegetables

3 bell peppers (red, green, yellow), sliced
1 medium onion, sliced
3 cloves garlic, minced

Sauces and Liquids

60 milliliters soy sauce
60 milliliters beef broth
30 milliliters Worcestershire sauce
30 milliliters olive oil

Thickening Agent

8 grams cornstarch
15 milliliters water

Spices

1 teaspoon black pepper
1/2 teaspoon crushed red pepper flakes (optional)

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Instructions

Prepare and Sear the Steak: Heat olive oil in a large skillet over medium-high heat. Add the thinly sliced steak and sear for 2 to 3 minutes until browned on all sides but not fully cooked to lock in flavors.
Combine Ingredients in Slow Cooker: Transfer the seared steak to the Crock Pot. Add sliced bell peppers, onion, minced garlic, soy sauce, beef broth, Worcestershire sauce, black pepper, and optional crushed red pepper flakes. Stir gently to combine all ingredients evenly.
Cook Slowly: Cover the Crock Pot and cook on low for 6 to 8 hours or on high for 3 to 4 hours, allowing the steak to become tender and the vegetables to soften but still hold texture.
Thicken the Sauce: About 30 minutes before serving, whisk together cornstarch and water until smooth. Stir this mixture into the slow cooker and cook uncovered to thicken the sauce to a nice consistency.
Serve: Once thickened and flavorful, serve the pepper steak hot over steamed rice or noodles as a hearty and satisfying meal.

Notes

For a spicier dish, increase the amount of crushed red pepper flakes.
Sear the steak quickly to avoid overcooking before slow cooking.
You can substitute flank steak with sirloin or another tender cut for best results.
Serve with steamed rice, noodles, or even cauliflower rice for a low-carb option.
Leftovers store well in the refrigerator and can be reheated gently on the stovetop or microwave.