3heaping tablespoons of mayonnaisepreferably Duke's (A southerner can tell if you don't use Duke's Mayonnaise.)
Instructions
Preheat oven to 350° F.
Using a grater over a bowl, finely grate one of the Vidalia Onions. Using a paper towel, press some some of the water out. Thinly slice the other two Vidalia Onions.
Add the grated onions, sliced onions, cream cheese, parmesan cheese, hot sauce, salt, pepper, and mayonnaise to a medium mixing bowl and stir with a wooden spoon to combine.
Place in an 8 X 8 baking dish and bake for 35 minutes or until golden brown.