Soft baked Snickerdoodle cookies, so delicious. The tastiest sugar cinnamon cookies are always made from scratch just the way mom used to make them. One of the most beloved cookies in Americana culture is the Snickerdoodle cookie. I hope you and your family enjoy this wonderful recipe.
Preheat oven to 375°F.
Line two cookie sheets with parchment paper or silicone baking mats. Set aside.
Combine the granulated sugar and cinnamon together in a small bowl.
Whisk together the flour, cream of tartar, baking soda, cinnamon, and salt together in a medium bowl.
In a large bowl using a hand mixer or stand mixer fitted with a paddle attachment, beat the butter and granulated sugar together on high speed until smooth and creamy, about 2 minutes. Add the egg, egg yolk, and vanilla extract. Beat on medium-high speed until combined. Scrape down the sides and up the bottom of the bowl as needed. With the mixer running on low speed, slowly add the dry ingredients to the wet ingredients in 3 different parts. The dough will be thick.
Roll cookie dough into balls, about 1.5 Tablespoons of cookie dough each. Roll the dough balls in cinnamon-sugar topping. Sprinkle extra cinnamon-sugar on top if desired. Arrange 3 inches apart on the baking sheets.
Bake cookies for 10 minutes. The cookies will be very puffy and soft. When they are still very warm, lightly press down on them with the back of a spoon or fork to help flatten them out.
Allow cookies to cool on the baking sheet for 10 minutes and transfer to a wire rack to cool completely. Store in Tupperware to keep fresh.
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