Cook spaghetti, drain, and place in a mixing bowl. Stir in soup, milk, tuna, mushrooms, onion, cheese, and green beans. Pour into a 2 quart casserole dish. Bake at 350 degrees F. for 45 minutes. Top with 1/2 cup cheese and return to the oven until cheese melts.
By Anna
Does anyone have a recipe for homemade tuna helper tetrazzini?
Kelly from Ohio