Turn That Last Bit of Leftover Turkey Into a Cheesy Casserole

If I had to pick one casserole to eat for the rest of my life, it would be chicken--or in this case, turkey--spaghetti. This thing is a cheesy, kitschy, condensed-soup-soaked masterpiece. It is a casserole in the truest sense of the word, and it is a great vehicle for even the saddest leftover turkey.