Poppy Seed Cake
["1 1/2 c. sugar", "2 sticks butter", "4 eggs, separated", "1/3 c. poppy seed", "1 tsp. baking soda", "1 c. sour cream", "2 c. sifted flour"]
["Cream sugar and butter.", "Add beaten egg yolks and poppy seed. Dissolve soda in sour cream.", "Add alternately with flour.", "Fold in stiffly beaten egg whites.", "Bake for 1 hour at 350\u00b0 in ungreased 10-inch tube pan.", "When cool, sprinkle with powdered sugar."]
["sugar", "butter", "eggs", "poppy seed", "baking soda", "sour cream", "flour"]