Vidalia Onion Spread › Holidays & Special Occasions › Sports Events › Vidalia Onion Spread This topic has 0 replies, 2 voices, and was last updated January 3, 2013 at 12:43 am by . Viewing 1 reply thread Author Posts January 25, 2011 at 9:11 pm #290902 QTpie 1 cup mayonnaise 1 cup shredded swiss cheese 1 cup grated parmesan cheese 2 cups chopped vidalia onion Preheat oven to 325ºF. Mix all ingredients until well-blended. Place in a shallow 1 1/2 quart baking dish. Bake for 30 minutes. Serve warm with crackers. January 3, 2013 at 12:43 am #435977 CoolCat This sounds like a really simple appetizer recipe! Thanks! I have some family coming up this weekend to stay and this one will be good to snack on, although I may try it with low fat mayo. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Register Log In › Holidays & Special Occasions › Sports Events › Vidalia Onion Spread