# What You'll 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
# Method:
01 - Preheat oven to 375°F. Line two baking sheets with parchment paper.
02 - Whisk together all-purpose flour, cream of tartar, baking soda, and salt in a medium bowl; set aside.
03 - Beat unsalted butter and 1 1/2 cups granulated sugar in a large bowl until light and fluffy, about 2 to 3 minutes.
04 - Add eggs one at a time, beating well after each addition, then mix in vanilla extract.
05 - Gradually add dry mixture to wet ingredients, mixing until just combined.
06 - In a small bowl, stir together 1/4 cup granulated sugar and ground cinnamon.
07 - Scoop tablespoon-sized dough portions and roll them into balls, then coat each ball evenly in the cinnamon sugar mixture.
08 - Place dough balls 2 inches apart on the prepared baking sheets.
09 - Bake for 9 to 11 minutes until edges are set but centers remain soft.
10 - Let cookies cool on baking sheet for 5 minutes before transferring to a wire rack to cool completely.