1 lb. Velveeta cheese
1 (16 oz.) can tomatoes, chopped and drained
1 (4 oz.) can whole or chopped green chilies
1/4 c. chopped onions
1 tsp. chili powder

Melt cheese on top of stove on low heat. Keep stirring so cheese does not burn. When cheese is melted add tomatoes, chilies, onions and chili powder. Keep stirring until well mixed. Serve warm with Tostito chips.