Caramel Cake
["2 sticks margarine", "2 cups sugar", "2 egg yolks", "2 whole eggs", "1 cup buttermilk", "3/4 tsp. baking soda", "2 1/2 cups all purpose flour, sifted", "1 tsp. vanilla"]
["Preheat oven to 350\u00b0. Combine the margarine, sugar, egg yolk, eggs, buttermilk, baking soda, flour and vanilla. Mix well. Pour into three greased layer pans. Bake at 350\u00b0 for 30 minutes."]
["margarine", "sugar", "egg yolks", "eggs", "buttermilk", "baking soda", "flour", "vanilla"]