1 cup butter softened
3/4 cup sugar
1/2 cup light brown sugar
1 egg plus 1 yolk
1 tablespoon vanilla
1 teaspoon baking soda
1 teaspoon cream of tartar
1/2 teaspoon kosher salt
1 teaspoon ground cinnamon
2 3/4 cup flour
1 cup butter softened
3/4 cup sugar
1/2 cup light brown sugar
1 egg plus 1 yolk
1 tablespoon vanilla
1 teaspoon baking soda
1 teaspoon cream of tartar
1/2 teaspoon kosher salt
1 teaspoon ground cinnamon
2 3/4 cup flour