Savory Pepper Steak Skillet with Garlic Gravy Sauce Recipe

🧄 Ingredients

• 1 lb sirloin steak, thinly sliced (or flank steak)
• 1 green bell pepper, sliced
• 1 red bell pepper, sliced
• 1 medium onion, sliced
• 3 tbsp butter
• 2 tbsp olive oil
• 2 cloves garlic, minced
• 1 tsp garlic powder
• 1 tsp onion powder
• 1 tsp black pepper
• 1 tbsp Worcestershire sauce
• 1 tbsp balsamic vinegar
• 1 tbsp brown sugar (optional, for sweetness)
• 3 tbsp all-purpose flour
• 1½ cups beef broth
• Salt, to taste