Mix butter and white sugar in an electric mixer on high until light and fluffy. About 5 minutes.

Add brown sugar, mix on high until incorporated.

Add eggs one at a time, mix in each egg completely before adding the next one.

Next add the vanilla extract.

In s separate bowl, mix together flour, baking powder, salt, and cinnamon, Add to mix

Mix in oates, coconut, and walnuts. Incorporate into the rest of batter evenly

Scoop golf ball size portions of batter onto a greased or parchment lined cookie sheet 2 in. apart

Bake 350°F for 13-15 min. Remove from oven and allow to cool before removing from cookie sheet.