Peanut Butter Choc Chip Cupcakes with Marshmallow Buttercream

Cupcakes

• 55 g unsalted butter 1/4 cup, room temperature
• 130 g peanut butter 1/2 cup smooth, plus extra for drizzling
• 210 caster sugar 1 cup
• 2 egg
• 2 teaspoons vanilla extract
• 220 g all-purpose flour 1 ½ cups plain
• 1 ¼ teaspoons baking powder
• 80 ml buttermilk 1/3 cup
• ½ cup dark chocolate chips
• 2/3 cup marshmallow creme fluff

Buttercream

• 125 g unsalted butter 1/2 cup, room temperature
• 2 teaspoons vanilla extract
• 1 cup marshmallow creme fluff
• 1 ½ cups icing sugar powdered sugar