Upside-down Rhubarb Cake Tweet Pin It A great Rhubarb Upside-Down Cake recipe for fans of rhubarb cakes everywhere. The rhubarb is undeniably the star and shines against the moist vanilla cake. Other Cake Recipes You Might Like Butter Cake (like Grandma's)Lemon Berry Shortcake CakePineapple Upside-down Cake Recipe Continue Reading 0