Preheat oven to 180℃. Line 2 or more cookie sheets with parchment paper and set aside.
In a large bowl, combine the flour, baking soda, baking powder, and cinnamon together. Set aside.
224 g all-purpose flour, 1 tsp baking soda, ½ tsp baking powder, ¼ tsp ground cinnamon
In the bowl of a stand mixer, with the paddle attachment, beat the butter and sugars until well combined.
227 g salted butter, 150 g dark brown sugar, 100 g granulated sugar
Add the egg and vanilla, and mix until well combined.
1 large egg(s), 10 ml pure vanilla extract
Add the flour mixture, and continue mixing until combined.
Add oats and mix until a thick dough forms.
135 g quick cook oats
Stir in cranberries and pecan pieces.
65 g pecan pieces, 195 g dried cranberries
Place heaping tablespoon-sized (#60 scoop) balls of cookie dough onto the prepared cooke sheets.
Bake 8-9 minutes. Cookies may look a little undercooked in the center, but they will continue to cook and firm as they cool. Do not over bake.
Let cookies cool for 5 minutes on the cookie sheet, then remove to cooling rack to finish cooling