coke cupcakes with marshmallow frosting

Ingredients For coke cupcakes with marshmallow frosting

• FOR THE CUPCAKES
• 1 c

  coca-cola
• 1/2 c

  unsweetened cocoa powder
• 1/4 c

  unsalted butter, cut into pieces
• 1/2 c

  + 2 tbsp granulated sugar
• 1/4 c

  firmly packed dark brown sugar
• 1 c

  all-purpose flour
• 1/2 tsp

  baking soda
• 1/2 tsp

  salt
• 1

  egg, lightly beaten
• FOR THE GLAZE
• 2 Tbsp

  unsalted butter, room temperature
• 2 Tbsp

  coca-cola
• 1 Tbsp

  unsweetened cocoa powder
• 1 c

  powdered sugar
• 1 tsp

  vanilla extract
• FOR THE FROSTING
• 1/2 c

  unsalted butter, room temperature
• 1 c

  powdered sugar
• 1

  (7 oz.) jar marshmallow fluff
• 1 tsp

  vanilla extract
• chopped toasted pecans (optional)