1 box deluxe Kraft macaroni and cheese
1 can Campbell's Cream of Mushroom Soup
1 can tuna in water
1 package saltine crackers
12 cup butter
Prepare Macaroni and cheese as directed on the box. Drain tuna and add to the mac and cheese. Add cream of mushroom soup. Place noodle mixture in casserole dish. Crumble crackers. Cover casserole with crackers. Melt butter and drizzle over crackers. Bake at 350 for 20 minutes.