Taco Bake
["1 lb. ground beef", "1 small onion, chopped", "3/4 c. water", "1 pkg. taco seasoning", "1 (15 oz.) can tomato sauce", "1 (4 oz.) can chopped green chilies", "2 c. (8 oz.) shredded Cheddar cheese, divided", "1 (8 oz.) pkg. shell macaroni, cooked and drained"]
["In a skillet, brown ground beef and onion over medium heat; drain.", "Add water, taco seasoning and tomato sauce; mix.", "Bring to a boil, reduce heat and simmer for 20 minutes.", "Stir in macaroni, chilies and 1 1/2 cups cheese.", "Pour into a greased 1 1/2-quart baking dish.", "Sprinkle with the remaining cheese.", "Bake at 350\u00b0 for 30 minutes or until heated through."]
["ground beef", "onion", "water", "taco seasoning", "tomato sauce", "green chilies", "Cheddar cheese", "shell macaroni"]