1 (6 1/2 oz.) can tuna
12 oz. cream cheese
1/2 c. chopped onion
1/2 c. chopped celery
1/2 c. chopped parsley
A few chopped olives (if desired)
1/2 c. nuts

Blend all ingredients, except nuts. Form into a ball and roll in nuts. Chill. Serve with crackers.