Taco Chip Dip
["1 lb. ground beef", "1 onion, chopped", "16 oz. can tomatoes, drained and chopped", "1 1/4 oz. pkg. taco seasoning", "8 oz. Velveeta, cut in cubes", "8 oz. shredded Mozzarella cheese", "4 oz. (1 c.) shredded Cheddar cheese"]
["Heat oven to 350\u00b0.", "In medium skillet, brown ground beef and onion; drain well.", "Stir in tomatoes and taco seasoning.", "Simmer 15 minutes.", "Combine cheeses.", "Layer meat mixture and cheeses in shallow baking dish.", "Bake 3 to 5 minutes or until cheeses are melted.", "Serve hot with taco chips."]
["ground beef", "onion", "tomatoes", "taco seasoning", "Velveeta", "Mozzarella cheese", "Cheddar cheese"]