Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      tablespoons   margarine
   4                    scallions -- sliced
   1      clove         garlic -- minced
  12      ounces        shrimp -- frozen, thawed and
                        -- drained
   4      ounces        clams -- undrained
   1      cup           chicken broth
     1/2  cup           dry white wine
   2      tablespoons   lemon juice
     1/4  cup           Italian parsley -- chopped
   1      teaspoon      dried basil
   1      teaspoon      dried oregano
     1/2  teaspoon      salt
     1/4  teaspoon      pepper
   2      tablespoons   cornstarch in 2 tbsp. cold water
  12      ounces        linguine -- cooked al dente,
                        -- drained
   2      tablespoons   margarine
     1/2  cup           sour cream

Preparation:

Sauté onion and garlic in 2 tbsp. margarine until tender. Stir in shrimp, clams, broth, wine, lemon juice, parsley and seasonings. Bring to a boil, reduce heat simmer 5 minutes. Slowly stir in cornstarch mixture. Cook stirring constantly until thickened. Remove from heat, cover. Cook linguine, drain, toss with sour cream and 2 tbsp. margarine. Serve sauce over linguine.