Put butter, oil, cocoa and ... the buttermilk, eggs, baking soda and vanilla. Mix well. ... jelly roll pan. Bake at 400°F for 20 minutes. ... well and frost cake. Cut into squares.
In bowl, mix flour, salt, sugar and baking soda. Add sour cream and ... x 1 cookie sheet. Bake at 350°F for 20 minutes. Frost cake while still warm. In bowl, ... until smooth. Add vanilla.
Mix flour and sugar. Set ... salt and soda. Bake in greased 17 x 12 inch cookie sheet at 400 degrees for 15-20 minutes. Make frosting while cake is in oven. Mix butter, ... chopped nuts if desired.