Step 1

Preheat oven to 350°F. Line a 12 count cupcake pan with liners and spray with cooking spray, set aside.

Step 2

In large bowl whisk together your flour, cocoa powder, baking powder and baking soda. Add in your eggs, both sugars, oil, vanilla and milk and beat on medium speed for 1-2 minutes until combined.

Step 3

Fill each cupcake liner half full with batter and bake for about 20 minutes or until top springs back and toothpick comes out clean.

Step 4

Remove from oven and immediately remove the center of each cupcake (using the cupcake corer or a spoon or melon baller) and press the center down slightly.

Step 5

Stuff with marshmallows and let sit until cooled. The marshmallows should melt slightly, if you choose to let cupcakes cool before your stuff then return to heated oven for 1-2 minutes.

Step 6

Meanwhile to make your frosting in large bowl beat your butter until smooth and fluffy. Add in your extract and continue to beat until blended.Add in your powdered sugar 1 cup at a time, lastly add in your marshmallow cream and beat until incorporated.

Step 7

Place frosting in piping bag fitted with a star tip and pipe swirls on top of your cupcakes. Sprinkle with chocolate sprinkles if desired.