# What You Need:
→ Dry Ingredients
01 - 2 3/4 cups all-purpose flour
02 - 2 teaspoons cream of tartar
03 - 1 teaspoon baking soda
04 - 1/2 teaspoon salt
→ Wet Ingredients
05 - 1 cup unsalted butter, softened
06 - 1 1/2 cups granulated sugar
07 - 2 large eggs
08 - 1 teaspoon pure vanilla extract
→ Cinnamon Sugar Coating
09 - 1/4 cup granulated sugar
10 - 2 teaspoons ground cinnamon
# How-To Steps:
01 - Set the oven temperature to 375°F and line two baking sheets with parchment paper.
02 - Whisk together flour, cream of tartar, baking soda, and salt in a medium bowl; set aside.
03 - Using an electric mixer, beat the softened butter and 1 1/2 cups sugar until light and fluffy, approximately 2 to 3 minutes.
04 - Add eggs one at a time, beating after each addition, then mix in vanilla extract until combined.
05 - Gradually add the dry ingredient mixture to the wet mixture, stirring just until blended.
06 - In a small bowl, mix 1/4 cup sugar with ground cinnamon until evenly combined.
07 - Scoop tablespoon-sized portions of dough, roll into balls, and coat thoroughly in the cinnamon sugar mixture.
08 - Place dough balls 2 inches apart on the prepared baking sheets to allow for expansion.
09 - Bake for 9 to 11 minutes, until edges are set but centers remain soft.
10 - Let cookies cool on baking sheets for 5 minutes before transferring to a wire rack to cool completely.