How to Cook Banana Cupcake with Dulce de Leche Buttercream Frosting Banana Cupcake with Dulce de Leche – they are soft, spongy and not too sweet. Top with a decadent Dulce de Leche Buttercream Frosting and Chocolate Sprinkles. To do this, all we need is a ripe banana, banana cake mix, eggs, oil, water, buttercream frosting,…
