These tender and fluffy Boston Cream Pie cupcake recipe yields just 6 perfectly moist one bowl vanilla cupcakes (that are naturally eggless and dairy free, so vegan!), filled with an easy lush vegan pastry cream, and topped with a silky pastry cream frosting that's dipped in chocolate ganache! Naturally made without eggs and dairy free, these small batch Boston cream pie cupcakes taste just like the real deal- only in cupcake form!