2 c. sugar
2 c. flour
1 c. Coca-Cola
1 tsp. baking soda
1/2 c. buttermilk (or 1/2 c. whole milk plus 1 tbsp. vinegar)
2 eggs
3 tbsp. cocoa
1 c. butter
1 tsp. vanilla
1 1/2 c. sm. marshmallows

Mix together sugar, flour, add Coca-Cola. Beat until well blended. Dissolve soda into buttermilk. Add to batter. Add eggs. In a saucepan, bring cocoa and butter to boil. Add to batter mixture. Add vanilla. Mix well. Add marshmallows. Bake in 9 x 13 inch pan at 350 degrees for 35 minutes. Frost when cool.