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1 cup room temp. butter
3/4 cup granulated sugar
1 egg, plus 1 yolk
1 tablespoon vanilla
1 teaspoon baking soda
1 teaspoon cream of tartar
1/2 teaspoon kosher salt
2 3/4 cup flour

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Preheat oven to 325 degrees fahrenheit, Line baking sheet with parchment paper and put aside

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In stand mixer bowl mix the butter, granulated sugar, and brown sugar for 2-3 minutes until light and fluffy.

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Then add the 1 egg, egg yolk, vanilla, baking soda, cream of tartar, salt, and cinnamon and mix for 1 minute (scrape bowl when needed).

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Turn mixer to low and add flour, mix until combined

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In seperate bowl combine cinnamon until evenly combined to make Cinnamon Sugar. Then spoon out 2 tablespoons of dough and roll into ball. Once ball of dough is made roll in the cinnamon sugar

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Place on baking sheet 2 inches apart. Bake for 10-12, turning cookie sheet halfway through. (if needed you can cook for longer)

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Allow cookies to sit for 2-3 minutes before moving to wire rack to cool completely. Enjoy.