Set your oven to 350 degrees.
In a food processor, chop your walnuts, then combine cinnamon and 2 Tbsp. of flour. Don’t over process.
In a medium sized bowl combine your dry ingredients — flour, baking powder, and salt. Set aside.
Cream your sugars and butter. Mix until light and fluffy.
Add in your egg and vanilla. Mix until combined.
Add in your medium sized bowl of dry ingredients. Mix until just incorporated.
Mix in your walnuts and cinnamon mixture until just incorporated.
Scoop tablespoon size balls (I used a cookie scoop), roll them with your hands and place on a cookie sheet with parchment paper or a slipmat.
Bake for 8-10 minutes.
Let cool on a countertop or on a cooling rack.
Place a good amount of powdered sugar in a ziploc bag.
Once your cookies are cool put them in your ziploc bag and coat with powdered sugar.
