Shrimp Istanbul

Shrimp Istanbul 

Ingredients:
 * 4 tablespoons butter
 * 1 1/2 pounds shrimp
 * 4 tablespoons butter
 * 1/2 cup mushroom sliced
 * 2 tablespoons tomato paste
 * 1/2 cup sour cream
 * 4 tablespoons sherry
 * 1 1/2 cups light cream
 * salt

Directions: Simmer shrimp in 4 tablespoons butter for 3 minutes. Remove from pan. Put remaining ingredients in pan and simmer 5 minutes. Add shrimp. Remove from heat. Add cornstarch to thicken if necessary.