1 can Kan Rotel tomatoes and green chilies (usually in Mexican section)
1 sm. onion, chopped
1 (12 or 16 oz.) Kraft Deluxe American cheese slices

Put stacked cheese slices in middle of greased baking dish. Pour can contents over top. Add onion. Bake at 350 degrees for 30 to 45 minutes, stirring after 30 minutes. Use tortilla chips for dip.