Birthday Cake
["2 1/2 c. cake flour", "1/2 tsp. soda", "1 tsp. salt", "3/4 stick margarine", "1 c. buttermilk", "1 tsp. vanilla", "1 1/2 tsp. baking powder", "1 1/2 c. sugar", "2 tsp. grated lemon rinds", "3 eggs, unbeaten"]
["Sift flour, baking soda, salt, and sugar; set aside. Cream margarine and blend in lemon rind. Add flour mixture, buttermilk, and vanilla; mix until flour is damp, then beat for 2 minutes at medium speed. Add eggs and beat 1 minute longer. Pour into two 9 inch cake pans that have been greased and floured. Bake in preheated oven for 30 minutes at 350\u00b0."]
["cake flour", "soda", "salt", "margarine", "buttermilk", "vanilla", "baking powder", "sugar", "lemon rinds", "eggs"]