This recipe is a filling ... or until the cheese has melted and browned a bit at the edges, and until the casserole is fairly firm to the touch. You can keep this on warm for 3 hours.
4. Add cooked macaroni and tuna. Mix well. Transfer to greased oven-proof dish. Top with cheese and potato chips mixture. 5. Bake for 20 minutes or until browned and mixture bubbles. Let stand for ...