Preheat oven to 375 degrees. Mix together butter, sugars and maple syrup with a large mixing spoon. Add eggs, milk and vanilla until incorperated. Whisk together flour, oat flour, baking soda and salt and then add to butter mixture. Stir in chocolate chips and nuts until dough is well mixed. Use melon ball scoop to drop dough onto ungreased cookie sheet. Bake 10-12 minutes. Cool for 5 minutes and transfer to wire rack.