2 cups all-purpose flour
2 cups granulated sugar
1/2 pound butter
2 tablespoons cocoa, unsweetened
1 cup Pepsi Cola
1/2 cup buttermilk
2 large eggs, beaten
1 teaspoon baking soda
1 teaspoon vanilla extract
1 1/2 cups miniature marshmallows

Preheat oven to 350 degrees F. Grease and flour a 13 x 9-inch pan.

Combine flour and sugar in large bowl. Melt butter. Add cocoa and Pepsi Cola. Pour over flour and sugar mixture, and stir until well blended. Add buttermilk, beaten eggs, baking soda and vanilla extract. Mix well. Stir in marshmallows. Pour into prepared pan. Bake 40 minutes.

Remove cake from oven and frost while still warm.

Frosting
6 tablespoons butter
1 cup dark brown sugar, packed
2/3 cup peanut butter
1/4 cup milk
2/3 cup chopped peanuts

Cream butter, sugar and peanut butter. Add milk and stir well. Add nuts. Spread over warm cake. Place frosted cake under broiler about 4 inches from heat source. Broil just a few seconds or until the frosting starts to bubble. DO NOT scorch! Let cool at least 30 minutes before serving.