This savory dish features tender beef, bell peppers, and a flavorful sauce

Ingredients:

1 1/2 lbs beef sirloin or flank steak, sliced into thin strips
1 large onion, sliced
2 bell peppers (any color), sliced
2 cloves garlic, minced
1/4 cup soy sauce
1/4 cup beef broth
2 tbsp oyster sauce
2 tbsp hoisin sauce
1 tbsp cornstarch
1 tbsp sugar
1/2 tsp black pepper
1/2 tsp crushed red pepper flakes (optional, for extra heat)
2 tbsp vegetable oil
Directions: