Aunt Jane's Tuna Macaroni Bake
1 (10.75 ounce) can cream of mushroom soup
1 (3 ounce) package cream cheese, softened
1/3 cup milk
1 tablespoon minced onion
1 tablespoon mustard
1 cup uncooked elbow macaroni, cooked, drained
2 (6.5 ounce) cans tuna, drained, flaked
Preheat oven to 350. In bowl, combine soup, cream cheese, milk, onion and mustard. In another bowl, combine macaroni and tuna. Stir into soup mixture. Pour into buttered casserole dish. Bake for 45 minutes.