Seafood Linguini
["2 c. fresh sliced mushrooms (6 oz.)", "4 shallots or green onions, finely chopped", "1/2 c. butter or margarine", "1 1/2 c. Madeira (cooking) wine", "1 Tbsp. tomato paste (optional)", "1 Tbsp. fresh snipped tarragon", "1/4 tsp. salt", "dash of freshly ground pepper", "10 oz. linguini", "1 1/2 lb. fresh, shelled shrimp (you can use crab meat and scallops or combination of all 3)", "1 1/2 c. whipping cream", "4 egg yolks, beaten"]
["In a 10-inch skillet, cook mushrooms and shallots in butter, uncovered, over medium-high heat for 4 to 5 minutes, or until vegetables are tender, but not brown.", "Remove with slotted spoon; set aside.", "Stir wine, tomato paste, tarragon, salt and pepper into butter in skillet.", "Bring to boil; boil vigorously for 10 minutes, or until mixture is reduced to 1/2 cup."]
["mushrooms", "shallots", "butter", "Madeira", "tomato paste", "fresh snipped tarragon", "salt", "ground pepper", "linguini", "shrimp", "whipping cream", "egg yolks"]