FOR THE CUPCAKES: – 1 cup (120g) all-purpose flour – 3/4 cup (150g) granulated sugar – 1/2 cup (42g) unsweetened cocoa powder – 1 teaspoon baking powder – 1/4 teaspoon baking soda – 1/4 teaspoon salt – 1/2 cup (118ml) milk – 1/4 cup (59ml) vegetable or canola oil – 1 & 1/2 teaspoons vanilla extract – 2 large egg – 1/2 cup (118ml) warm water FOR THE FROSTING: – 1/2 cup (113g) unsalted butter, softened – 1 (7-ounce/198g) container marshmallow creme – 1/2 teaspoon vanilla extract – 1 & 1/2 to 2 cups (165-220g) confectioners’ sugar, sifted – 1 to 2 tablespoons milk, if necessary – Garnish ideas: cocoa powder, marshmallows, crushed peppermints, chocolate sprinkles, mini chocolate chips, marshmallow bit