Steak Fajita Sandwich with Caramelized Onions, Mushrooms, and Peppers Recipe - (4.5/5)

Ingredients

• 1 lb. thin sirloin steak
• 1 stick of butter
• country white bread
• 2 bell peppers, sliced
• 1 white onion, sliced
• 1 small container of mushrooms, sliced
• 1 tbsp. creole seasoning
• 1/2 tbsp. Mexican chili powder
• 1/2 tbsp. garlic powder
• 1/2 tbsp. dried Mexican oregano, crushed
• 2 tsp. cayenne pepper
• extra virgin olive oil
• pepper jack cheese
• cheddar cheese