Blackberry Crisp

1 cup old-fashioned oatmeal
1 cup brown sugar
3/4 (three-quarter) cup whole wheat pastry flour, divided
1/4 (one-quarter) cup butter
4 cups blackberries, fresh, whole frozen or canned
2 cups sliced peaches

Preheat oven to 350 degrees. Combine oatmeal, brown sugar and one-half cup flour. Cut in butter with pastry blender or two knives until well blended. Place well drained berries in bottom of eight inch by eight inch baking dish and toss with remaining one-quarter cup flour. Add peaches to baking dish. Sprinkle crumb mixture evenly over fruit and bake for 35-40 minutes or until golden brown. Serves eight.