Instructions

1. Heat 2 Tbsp oil in a large nonstick skillet over medium-high heat. Cook steak in hot oil 3 minutes or until browned and meat is rare. Remove from skillet; keep warm.
2. Heat 1 Tbsp oil over medium-high heat in same skillet. Sauté onion and bell peppers in hot oil 3 minutes. Add mushrooms and garlic. Cook 2 minutes, stirring often. Remove from heat.
3. Preheat oven to 350°F. Return steak to skillet. Sprinkle with ¾ tsp each salt and pepper. Spoon mixture across bottom of an 11- x 7-inch baking dish lightly coated with cooking spray.
4. Combine cream cheese and broth in a small saucepan over medium heat. Cook, stirring often, 4 minutes or cheese is melted. Stir in Worcestershire sauce, ¼ tsp each salt and pepper, and ½ cup shredded cheese. Cook 1 minute or until cheese is melted.
5. Pour cheese sauce over steak and vegetables. Sprinkle with 1½ cups shredded cheese.
6. Bake 20 to 25 minutes or until cheese is bubbly and beginning to brown.