3 cups marionberries 1 cup berries 1¼ cups sugar 1 Tbsp. tapioca 3½ Tbsp. flour ½ tsp. cinnamon Steps Mix and fill piecrust, apply top, seal edges, brush with milk and sprinkle with sugar. Bake at 450 degrees for 10minutes then turn down to 350 for 40 minutes. This content is from the Marionberry Recipes collection.