Preheat oven to 350 degrees.

In a mixing bowl, combine sugar and butter.

Beat on medium speed 5 min.

Add eggs and vanilla. Mix to combine well.

In a separate bowl, combine flour, baking soda, baking powder, cinnamon, salt and oats.

Add flour mixture to butter/egg mixture. Mix well, scraping bowl often so everything is combined.

Fold in apples and nuts.

Using a small scoop, drop onto cookie sheets.

Bake 15 - 20 min.

Cool on wire rack.