1 lb. ground beef
1 onion, chopped

1 can cheddar cheese soup
1 can mushroom soup
1 sm. can Pet milk
Salt & pepper to taste
1 lg. pkg. Doritos, taco flavor

Line oblong pan with Doritos, crushed. Pour into pan all ingredients that have been mixed together. Sprinkle with crushed and bake in 350 degree oven for 30 minutes.