Marshmallow cupcakes are a delicious dessert consisting of fluffy vanilla cupcakes with a rich chocolate ganache center, topped with a toasted marshmallow frosting. The cupcakes are made with a moist and tender vanilla cake batter and filled with a decadent chocolate ganache made from melted chocolate and heavy cream. The frosting is made from a marshmallow fluff base that is whipped with butter and vanilla until light and fluffy, then piped onto the cupcakes and toasted to create a sweet, caramelized topping. These cupcakes are perfect for any occasion and are sure to be a hit with anyone who loves the combination of chocolate and marshmallow.