1 lb. ground sausage
1 sm. onion, chopped
1 lb. Velveeta cheese
1 can cream of mushroom soup
1 sm. can chopped chilies
1/4 lb. white cheese
1 can Rotel chopped tomatoes

Cook sausage and onion together, drain. Mix in cheeses into the pan. Mix in soup and chilies and tomatoes. Serve warm or cold.