1 3/4 C. flour
2 C. brown sugar, packed
3/4 C. cocoa, measured, then sifted
2 t. baking soda
1 t. baking powder
dash salt
2 eggs
1/2 C. oil
1 C. cola
1 C. buttermilk
1 t. vanilla
Cola Frosting (recipe below)

Sift together flour, brown sugar, cocoa, baking soda, baking powder, and salt in large bowl. In center add eggs, oil, cola, buttermilk, and vanilla and whisk about 3 minutes to make smooth, thin batter. Pour into lightly greased 9 x 13 inch baking pan. Bake at 350�F. for 40 - 45 minutes or until cake tests done.

Cool cake. Refrigerate while preparing icing. Frost cake. Cut into squares to serve.

Cola Frosting:
1/4 C. unsalted butter
3 T. cocoa
1/3 C. cola
4 C. powdered sugar

Combine butter, cocoa, cola, and powdered sugar in bowl. Whip or beat until fluffy and smooth. Use to frost cake.