Preparation Steps

• Preheat oven to 375°F (190°C). Line baking sheets with parchment paper or silicone baking mats.
• In a large bowl, cream together the softened butter and 1 1/2 cups sugar until light and fluffy, about 2-3 minutes.
• Beat in the eggs one at a time, then mix in the vanilla extract.
• In a separate bowl, whisk together the flour, cream of tartar, baking soda, and salt.
• Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
• In a small bowl, mix together the 1/4 cup sugar and 1 tablespoon cinnamon for rolling.
• Scoop out tablespoon-sized portions of dough and roll into balls. Roll each ball in the cinnamon-sugar mixture until fully coated.
• Place the coated dough balls on the prepared baking sheets, spacing them about 2 inches apart.
• Bake for 8-10 minutes, or until the edges are lightly golden and the centers are set but still soft.
• Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.