Coca Cola Cake

2 C flour
1C butter
1 tsp baking soda
1 tsp vanilla
3 T cocoa
1 C cola
1/2 C sour milk (1/2 C milk - 1 T + 1 T white vinegar)
2 egg, beaten
1 C mini marshmallows
2 C sugar

Icing
1/2 C butter, 3T cocoa, 6 T cola, & 3 1/4 C powdered sugar

Preheat oven to 325 degrees. Grease a 9 x 13 pan (or line with parchment paper).  In a large bowl, combine flour, sugar, & baking soda and set aside. In a small sauce pan, melt butter, then add cocoa and cola and bring to boil. Add milk, eggs, and vanilla.  Stir in flour mixture until smooth.  Fold in marshmallows.  Pour into pan and bake for 35 minutes.

Icing

In a small saucepan, melt butter then add cocoa and cola.  Stir in powdered sugar until it forms a smooth icing.

Spread over cake while still warm.