2 lbs. of ground beef
1 can cream of mushroom soup
1 soup can of milk
1 can Ro-Tel tomatoes with green chilies
1 pkg. doritos
1 lg. onion, chopped
1/4 lb. grated cheese

Brown meat with onion in skillet, add soups, milk and tomatoes. Cook until hot. Pour over doritos that have been placed in 13 x 9 inch pan. Cover with cheese. Bake at 350 degrees for 30 minutes.