Sour Cream Pound Cake
["1 c. butter", "3 c. sugar", "6 eggs, separated", "1/4 tsp. soda", "3 c. flour", "1/2 pt. sour cream"]
["Cream butter and sugar.", "Add egg yolks, one at a time.", "Add soda to flour.", "Add to butter mixture, alternating with sour cream.", "Beat egg whites stiff and fold in."]
["butter", "sugar", "eggs", "soda", "flour", "sour cream"]