PREPARATION:

1. Preheat oven to 375°F. Combine 3 tablespoons apple juice concentrate and oats; mix lightly. Set aside. Combine apples and raisins in large bowl; set aside. Combine cornstarch, 1-1/2 teaspoons cinnamon, nutmeg and salt in medium bowl; mix well. Blend in remaining 1 cup apple juice concentrate. Add to apple mixture; mix lightly to coat. Spoon into shallow 1-1/2-quart or 8-inch square baking dish. Combine flour and remaining 1/2 teaspoon cinnamon; cut in butter with pastry blender or two knives until mixture resembles coarse crumbs. Add oat mixture; mix lightly. Stir in walnuts, if desired; sprinkle evenly over apple mixture. Bake 35 minutes or until apples are tender. Serve warm, at room temperature or chilled.