[schema type=”recipe” name=”Simple Boston Cream Cupcake Recipe” author=”Rachel Howard” pubdate=”2013-01-13″ image=”http://www.sundaybaking.co.uk/wp-content/uploads/2013/01/bostonCreme477.jpg” description=”A moist vanilla sponge filled with custard and topped with a rich chocolate frosting. These cakes are so good!” prepmins=”10″ cookmins=”20″ ] Today I had the urge to bake some cakes but I didn’t want to head out to the supermarket to get any…