1 pkg. macaroni and cheese dinner
1 can cream of mushroom soup
1 (7 oz.) can tuna, drained
1/2 c. milk
1 tbsp. instant onion
1/8 tsp. garlic salt
1/2 c. crushed potato chips

Prepare macaroni and cheese according to package. Add tuna, soup, milk and seasonings. Pour into 1 1/2 quart casserole. Top with potato chips. Bake in 350 degree oven for 20 minutes.