1 1/2 cups clamato juice

1/4 cup ketchup

1/4 cup fresh lime juice

1 teasp tabasco

1 teasp salt

1/2 cup finely chopped white onion

1/4 cup chopped cilantro (additional cilantro for garnish if prefer)

1 avocado, peeled and diced

1/2 pound shrimp, preferably 30 count or smaller, peeled/deveined, and steamed or boiled with old bay until done

1/2 pound lump crab

Combine all ingredients except shrimp & crab and chill overnight.  When ready to serve add shrimp and ladle into stemmed glass and top with a lump of crab.  add cilantro for garnish.