Sour Cream Pound Cake
["1/2 lb. butter", "3 c. sugar", "6 eggs", "1 (8 oz.) container sour cream", "1/2 tsp. baking powder", "3 c. plain flour"]
["Cream butter and sugar and add egg yolks.", "Beat well.", "Add flour, baking powder and sour cream, a little of each at a time. Beat well.", "Fold in egg whites.", "Beat 90 minutes at 350\u00b0.", "Turn out on wax paper while still hot."]
["butter", "sugar", "eggs", "sour cream", "baking powder", "flour"]