Orange Pound Cake
["2 sticks butter", "3 c. sugar, sifted", "6 eggs, separated", "1/4 tsp. baking soda", "3 c. flour, sifted", "grated rind of 1 orange", "3/4 c. sour cream", "1/4 c. orange juice"]
["Cream butter and sugar thoroughly.", "Add egg yolks, one at a time.", "Add orange rind.", "Add baking soda to flour and sift together.", "Add flour mixture alternately with sour cream and orange juice to creamed mixture.", "Beat egg whites until stiff and fold in.", "Pour batter in a large pan that has been floured.", "Bake at 300\u00b0 for 1 1/2 hours, or until done.", "Let stand 15 minutes before removing."]
["butter", "sugar", "eggs", "baking soda", "flour", "orange", "sour cream", "orange juice"]