Fettuccini Alfredo - cooking recipe

Ingredients

1 pt. sour cream
2 c. Parmesan cheese, grated
1 1/2 c. butter, melted
3/4 c. heavy cream
1 lb. cooked fettuccini

Preparation

Melt butter in 2-quart saucepan over low heat.
Cream together remaining ingredients and heat until hot.
(Do not let sauce come to a boil, cheese will separate.)
Serve over cooked fettuccini.