Turkey Tetrazzini
["1 (15 oz.) box macaroni with cheese packet", "1 Tbsp. oil", "1 c. coarsely chopped onion", "1/2 c. chopped bell pepper", "2 cloves garlic, minced", "8 oz. fresh mushrooms, sliced", "12 oz. cooked turkey breast, cubed", "1 1/2 c. skim milk", "12 oz. pkg. Mozzarella shredded cheese"]
["Preheat oven to 350\u00b0.", "Cook macaroni according to package directions.", "Heat oil in skillet.", "Saute onion, pepper and garlic over medium heat 2 to 3 minutes.", "Add mushrooms and cook 2 more minutes.", "Spray a 3-quart casserole with vegetable oil spray; drain macaroni and combine with cheese packet, sauteed vegetables, turkey and milk.", "Pour into casserole dish; cover and cook 30 to 45 minutes.", "Remove from oven and sprinkle with Cheddar cheese.", "Cover until cheese melts."]
["macaroni", "oil", "onion", "bell pepper", "garlic", "fresh mushrooms", "turkey breast", "milk", "Mozzarella shredded cheese"]