Ed & Joyce's Tuna Noodle Casserole Ingredients 1 cup macaroni -  cooked, drained (measure uncooked) 4 Tbsp. butter 2 cans cream of mushroom soup 1/2 cup milk 1 can tuna, drained 1 cup peas (optional) 1 cup crushed potato chips Directions Preheat oven to 375 degrees.   Stir the butter into the hot macaroni. Combine the soup with the milk.   Stir the soup mixture and tuna into the macaroni. Gently stir in the peas.   Place in buttered baking dish, top with the potato chips.   Bake 25 minutes. Serve hot. Home