Cheesy Chicken Marsala
["4 boneless, skinless chicken breasts", "1/2 tsp. salt", "1/2 tsp. pepper", "1/4 c. shredded mozzarella cheese", "1/4 c. shredded provolone cheese", "1/4 c. shredded Asiago cheese", "3 Tbsp. oil-packed sun dried tomatoes, drained and chopped", "2 Tbsp. fresh parsley, chopped", "1/2 tsp. dried oregano", "1 Tbsp. olive oil", "1 pkg. (10 oz.) mushrooms, sliced", "3/4 c. low-sodium chicken broth", "1 tsp. all-purpose flour", "2 Tbsp. butter or margarine"]
["Flatten chicken between 2 sheets of wax paper to 3/4 inch thickness. Sprinkle chicken with salt and pepper. Place on jellyroll pan. Bake 15 minutes. turn chicken; bake until almost done, 10 minutes. Meanwhile, combine cheeses, tomatoes, parsley and oregano. Remove chicken from oven. Sprinkle each piece with one-fourth of mixture. Return to oven until cheese is melted and chicken is no longer pink in center; about 5 minutes. Transfer to platter. In large skillet, heat oil over medium heat. Add mushrooms; cook, stirring occasionally, until softened. Whisk together broth and flour; pour into skillet. Bring to boil; cook, stirring occasionally until thickened, 4-5 minutes. Remove from heat, stir in butter until almost melted. Pour sauce over chicken; sprinkle with additional parsley."]
["chicken breasts", "salt", "pepper", "mozzarella cheese", "provolone cheese", "cheese", "tomatoes", "fresh parsley", "oregano", "olive oil", "mushrooms", "chicken broth", "all-purpose flour", "butter"]