Preheat the oven to 350-degrees F. Line a baking sheet with parchment paper and set aside.
In the bowl of an electric mixer fitted with a paddle attachment, cream together the butter and sugar.
1 cup unsalted butter, 1 cup sugar
Add the eggs in one at a time, beating in between.
2 large eggs
Mix in the vanilla extract and then scrape down the bowl.
2 teaspoons vanilla extract
Sift in the flour, baking powder, cream of tartar, ground cinnamon and salt. Mix on low until combined.
3 cups all-purpose flour, 2 teaspoons cream of tartar, 2 teaspoon baking powder, 1 teaspoon ground cinnamon, ½ teaspoon coarse salt
Mix together the red sugar and cinnamon in one bowl and the green sugar and cinnamon in another bowl.
2 teaspoon ground cinnamon, ¼ cup Wilton Red Sugar, ¼ cup Wilton Green Sugar
Chill the dough in the refrigerator for 30 minutes.
Using a medium cookie scoop for even portions, shape the dough into a ball, then roll in the topping mixture.
Place on the prepared baking pan about 1-inch apart.
Sprinkle the top of each cookie with red or green sugar for a festive holiday look.
Bake in batches for 7-10 minutes until the edges are crisp and the cookies and golden brown.
Let set on the tray 1-2 minutes before removing to a cooling rack.