Rhubarb Yogurt Cake Slightly adapted from recipe by Megan Gordon of A Sweet Spoonful and Cakes by Pam Corbin Prep Time: 10 minutes Cook Time: 40 minutes Makes: 10 servings Ingredients *ingredients available at the market (when in season) 2 1/2 cups thinly sliced rhubarb*  1 1/2 cups all-purpose flour,