01 -
Preheat oven to 175°C. Line two large baking trays with parchment paper or grease with nonstick spray.
02 -
In a large bowl, combine all-purpose flour, cream of tartar, baking soda, and salt. Stir until well blended. Set aside.
03 -
In a stand mixer fitted with the paddle attachment, or using a large bowl with a hand mixer, beat butter and granulated sugar for 3 minutes until light and fluffy.
04 -
Beat in eggs, one at a time, mixing thoroughly after each addition. Add vanilla extract and blend until incorporated.
05 -
Gradually add the flour mixture in three batches, mixing just until combined after each addition. Scrape down bowl as needed.
06 -
In a shallow bowl, stir together granulated sugar and ground cinnamon for the coating.
07 -
Divide dough into 12 equal portions, roll into balls, and coat each thoroughly in the cinnamon sugar mixture.
08 -
Place dough balls on prepared trays, leaving at least 15 cm between each. Flatten gently into large discs using fingers or the bottom of a glass.
09 -
Bake one tray at a time on the center rack for 14–15 minutes, until cookies are light golden and set in the center.
10 -
Cool cookies completely on the sheet before transferring to a wire rack. Enjoy once cooled.