Old Fashioned Pound Cake
["1 lb. butter", "3 c. sugar", "3 c. cake flour", "1/2 tsp. baking soda", "3 tsp. lemon juice", "1 tsp. vanilla", "10 eggs, separated", "1/4 tsp. salt", "2 c. cream of tartar"]
["Cream butter and one-half of sugar together until fluffy.", "Add egg yolks, one at a time, and beat well.", "But do not over beat. Add lemon juice and vanilla."]
["butter", "sugar", "cake flour", "baking soda", "lemon juice", "vanilla", "eggs", "salt", "cream of tartar"]