Rhubarb Buckle - The Kitchen at Middleground Farms

Ingredients

• 4 tablespoons butter, divided
• 1 ½ pounds rhubarb, trimmed and cut ½ inch thick on the bias
• 1 cups sugar
• 1 teaspoon cornstarch
• 2 cups all-purpose flour
• 1 ¼ teaspoons baking powder
• 1 teaspoons coarse salt
• 1 ½ sticks unsalted butter, softened
• 1 cup sugar
• 1 teaspoons finely grated lemon zest
• 3 large eggs
• 1 teaspoons pure vanilla extract
• ½ cupsour cream or yogurt
• 1 cup all-purpose flour
• ¼ cup light-brown sugar
• ¼ teaspoons coarse salt
• ½ stick unsalted butter, melted