8 oz. pkg. cream cheese
1 stick (1/4 lb.) butter
4 tbsp. mayonnaise
1 tbsp. lemon juice
1 tbsp. fresh grated onion
1 can shrimp or crab meat, drained

Soften cream cheese and butter. Then mix all ingredients together until well blended. Refrigerate until firm. Serve with crackers or breads of your choice. Excellent - make ahead spread.