Rhubarb Upside Down Cake | Best Tasting Cake Recipe

Freshly harvested Rhubarb turned into a delicious upside-down cake… Rhubarb is a vegetable, often treated like a fruit. It is known for its pinkish reddish stalk with a tart taste. Only the rhubarb stalk is edible, the leaves are toxic hence should not be consumed. This Summer my vegetable garden ha..