Vanilla Buttercream Frosting, recipe 1/2 batch found here*
12marshmallow snowmen, instructions follow
Instructions
Preheat oven to 350 degrees. Add chocolate and butter to a microwave safe bowl and heat in microwave on 50% power, in 30 second intervals, stirring after each interval until melted and smooth. Allow to cool until lukewarm, about 10 minutes.
In a mixing bowl whisk together flour, cocoa powder, baking powder, baking soda and salt. In a separate mixing bowl, whisk together eggs, granulated sugar, brown sugar and vanilla extract, about 1 minute. Whisk in melted chocolate mixture.
In a liquid measuring cup, measure out buttermilk then whisk in sour cream. Sprinkle 1/3 of the flour mixture evenly over the top of the batter, than whisk to combined.
Add 1/2 of the buttermilk mixture and whisk to combined, repeat process once more then end by dusting remaining 1/3 of flour over top and mixing just until combined.
Divide batter evenly among 12 paper lined muffin cups and bake in preheated oven 17 - 20 minutes until toothpick inserted into center comes out clean. Cool in muffin pan several minutes then transfer to a wire cooling rack.
Cool completely then frost with Vanilla Buttercream Frosting and top each cupcake with one marshmallow snowman.
Notes
Important note: nutrition estimate does not include frosting, just cupcakes and snowmen.