1. Heat oven to 375 degrees F. Lightly grease a 9-inch square baking pan. In large mixing bowl, combine flour, oats, brown sugar, baking soda, salt and cinnamon; stir to blend.
2. Add buttermilk, oil, and egg whites; beat just until blended. Stir in apple, dried fruit, and nuts. Spread batter evenly in pan and top with coconut, if desired. Bake 20 to 25 minutes or until cake tester inserted in center comes out clean. Cool and cut into 10 bars.
Makes 10 bars.