The Best Gluten Free Vanilla Cupcakes Recipe with Vanilla Buttercream | Boiling water is the secret to soft, moist and fluffy gluten free cupcakes made from scratch. Super simple and easy to make, these cupcakes use ingredients you already have in your pantry (and no butter or almond flour!) so you can whip them up in minutes. Recipe also includes our favourite Vanilla Buttercream Frosting Recipe which is perfect for birthday parties, wedding cupcakes, anniversary cakes and more.