Rhubarb and Spelt Upside Down Cake

Most gardeners will be well-acquainted with summery wild rhubarb, but pretty pink forced rhubarb is in season and perfect for winter baking In the UK, rhubarb celebrates two seasons. In summer, the sturdy, leafy and wild variety blooms; to the delight and, occasionally, despair of growers and gardeners. Wild rhubarb has a tendency to establish itself and rather take over…