Chili Con Queso(Mexican Cheese Dip)  
["1/2 lb. ground beef, browned and drained", "1 large onion, chopped and sauteed in 2 Tbsp. butter", "1 can tomatoes, drained and chopped", "1 can chile peppers, drained and chopped", "2 lb. Velveeta"]
["Simmer until Velveeta is melted completely.", "Serve warm with tortilla chips."]
["ground beef", "onion", "tomatoes", "chile peppers", "Velveeta"]