Serve with chips or pita chips or pretzels.

2 cups chopped Vidalia onion 2 cups mayonnaise 2 cups shredded Swiss cheese 2 cups grated Parmesan cheese

1. Preheat oven to 325 degrees F. 2. Stir together all ingredients and spread in a 2-quart baking dish. Bake until the top is golden brown and bubbling, about 1 hour. Serve immediately with pita chips, breadsticks or pretzels.