Mix butter and sugars together with mixer. Add in egg whites an d vanilla and beat on high until a whipped consistency appears. Using a wood spoon, mix in flour, protein powder, oats, salt, baking soda, and baking powder until combined. Add in chocolates chips and nuts and mix well. On parchment paper, place large scoops of dough(or use an ice cream scooper). Bake at 350 degrees for 12-14 min depending on desired doneness.