Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      pounds        shrimp -- peeled
   2      medium        onions -- chopped
   2      tablespoons   vegetable oil
   1      can           tomato paste -- (small)
   1      teaspoon      basil
     1/2  teaspoon      salt
     1/4  pound         butter or margarine
   1      dozen         crabs -- cooked or raw
   1      clove         garlic -- minced
   2      cans          tomato sauce
   1      tablespoon    chili powder
     1/2  teaspoon      sugar
     1/4  teaspoon      pepper
   1      package       spaghetti

Preparation:

Brown onions and garlic in hot oil. Add remaining ingredients, except shrimp, crabs and spaghetti. Bring to boil and simmer 30 minutes, stirring constantly. Remove outer shell and legs from crabs, leaving meat in bottom part; break in half. Add shrimp and crabs t sauce, simmer additional 30 minutes. Add uncooked spaghetti to sauce, stir constantly until done or pour sauce over cooked spaghetti.