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.
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Does anyone have a recipe for homemade tuna helper tetrazzini?
Kelly from Ohio