This blackberry upside down cake starts with a thick, jammy layer of blackberries baked in butter and brown sugar. The cake is moist and tender flavored with lemon zest, cinnamon, and vanilla bean paste (this combination rocks). Once inverted, the cake reveals a glossy fruit topping that is sweet, tart, with a beautifully purple. Why... The post Blackberry Upside Down Cake (with Cinnamon & Vanilla) appeared first on Bakes by Brown Sugar.