What is the best snickerdoodle recipe that includes cream of tartar as an essential ingredient?

One of the best snickerdoodle recipes that includes cream of tartar as an essential ingredient is as follows:

Ingredients:

• 1 cup unsalted butter, softened
• 1 1/2 cups granulated sugar
• 2 large eggs
• 2 3/4 cups all-purpose flour
• 2 teaspoons cream of tartar
• 1 teaspoon baking soda
• 1/4 teaspoon salt
• 2 tablespoons granulated sugar
• 2 teaspoons ground cinnamon

Instructions:

1. Preheat oven to 350F (175C) and line baking sheets with parchment paper.
2. In a large mixing bowl, cream together butter and 1 1/2 cups sugar until light and fluffy.
3. Beat in eggs one at a time.
4. In a separate bowl, sift together flour, cream of tartar, baking soda, and salt.
5. Gradually add the dry ingredients to the wet ingredients, mixing until well combined.
6. In a small bowl, mix together 2 tablespoons sugar and cinnamon.
7. Shape dough into 1-inch balls and roll in the cinnamon-sugar mixture.
8. Place the coated dough balls on the prepared baking sheets, spacing them about 2 inches apart.
9. Bake for 8-10 minutes, or until the edges are set but the centers are still soft.
10. Allow the cookies to cool on the baking sheets for a few minutes before transferring to a wire rack to cool completely.

Enjoy your delicious cream of tartar snickerdoodles!