Brought this to many parties, and it's always a crowd favorite

1 small onion, finely chopped
3 cloves garlic, minced
1 cup shredded cheddar cheese
1 cup shredded mozzarella cheese
1/4 cup mayonnaise
2 tablespoons ketchup
2 tablespoons mustard
1/4 cup unsalted butter, softened
2 tablespoons fresh parsley, chopped
Salt and pepper to taste
Directions

continued on the next page