SET OUT AT ROOM TEMPERATURE FOR 2 HOURS:

12 oz. cream cheese
1/4 lb. shredded Cheddar
1/2 lb. Velveeta
1/2 c. mayonnaise

Blend cheeses with mixer, then add 2 teaspoons Worcestershire sauce and 1 tablespoon minced onion. Cover bowl with plastic wrap and put in the refrigerator for 6 hours or overnight. Take out and put into 1 or 2 balls. Roll each ball in 1/2 cup chopped nuts and 1/4 cup parsley flakes. Serve with crackers.