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Shirley's Sour Cream Pound Cake
3 c sugar
Beat egg whites with 1 cup sugar, set aside.
Cream 2 cups sugar and butter.
Add flour to butter mixture. Add yolks, vanilla and sour cream.
Fold in egg whites.
Pour into greased and floured pan. Bake at 325 degrees for 1 1/2 hours.
Do not open oven door for an hour.