Using a fork mix butter and cream cheese. (Do not use a blender.) Add onion and mayonnaise, salt, pepper and garlic salt. Crumble shrimp and add juice of lemons. Serve on crackers.
Ingredients: 7 (lemon .. mayonnaise .. onion .. salt ...)
Blend together first seven ingredients. ... the crab and shrimp into mixture. Turn into a ... one tablespoon melted butter. Sprinkle over casserole. Bake ... 325 degrees if glass.