Maple Walnut Cupcake Our Maple Walnut cupcake is a true Canadian classic flavour with a twist. It features a maple sponge with chopped walnuts, maple buttercream icing and is topped off with a whole walnut. Price: £42.40 Contains: gluten, soya and nuts. We can make this flavour gluten free and/or soya free on request. Please note that we do use gluten and soya in our bakery, so we cannot guarantee against trace amounts.