2 c. granulated sugar
2 c. flour
1 c. Coca-Cola Classic
1/3 c. butter
1/2 c. solid shortening (like Crisco or Spry)
3 tbsp. cocoa
2 eggs
1/2 c. buttermilk
1 tsp. baking soda
1 tsp. vanilla
1 1/2 c. mini marshmallows

Preheat oven to 350 degrees. Sift sugar and flour together. Set aside.

In saucepan blend Coca Cola, butter, shortening and cocoa; bring to a boil. Add to flour mixture. Add eggs and beat until blended. Add buttermilk, soda, salt, vanilla and marshmallows. Mix well. Bake in a greased 9 x 13 inch pan for 40 minutes. Spread with Coca Cola frosting. Cut into squares.