Cook Time - 35mins
Slice apple into greased 8" or 9" baking dish. Sprinkle with sugar and lemon juice. In a medium bowl combine oats, flour, brown sugar and cinnamon; cut in butter until mixture resembles coarse crumbs. Add nuts, mix and spread over apple slices. Bake in 350 degree F oven for 35 or 40 minutes.
Yields about 6 servings.