On the Menu Today~ Bumbleberry Pie Try This Wonderful Mixed Berry Pie~ It's a Real Firecracker~ Bumbleberry Pie Ingredients 1 1/3 cups sugar 1/3 cup flour 1 1/2 cups fresh raspberries 1 1/2 cups fresh blackberries 1 cup fresh blueberries 1 cup fresh rhubarb, sliced 1 tablespoon lemon juice 1 egg, beaten 1 teaspoon sugar