Cheesy Baked Vidalia Dip from SouthernPlate    3 cups freshly shredded cheese (I use 1.5 cups mild cheddar and 1.5 cups mozzarella but you can use all cheddar if you like)  4 ounces cream cheese, cubed  2-3 small Vidalia or other sweet yellow onion, diced  1/2 cup mayonnaise
{}