Ingredients (11)

• 6 oz Boneless Sirloin Steak
• ¼ tsp Kosher Salt
• 1 tsp Black Pepper
• ¼ oz Cooking Spray
• ¾ cup Diced Onion
• ¾ cup Diced Green Bell Pepper
• ¼ cup Light Sour Cream
• 2 T Light Mayonnaise
• 2 oz Light Cream Cheese
• 3 oz Provolone Cheese
• 4 Portobello Mushrooms