Martha Stewart Cornmeal-Berry Sheet Cake
Martha Stewart Cornmeal-Berry Sheet Cake, easy and golden, gets its rustic crumb from fine cornmeal and tangy buttermilk. Pile 18 ounces of fresh blueberries, raspberries, and blackberries on top for a summer potluck dessert that bakes in one pan. Serve it warm with whipped cream and extra berries for a crowd pleaser at any July …





