Name: Eggnog Frosted Snickerdoodles
Yield: 24 cookies, depending on size
Ingredients: 3/4 cup unsalted butter (softened); 1 1/4 cups granulated sugar (divided); 1 egg; 1 tablespoon vanilla extract; 1/2 teaspoon baking soda; 1/2 teaspoon cream of tartar; 1/2 teaspoon salt; 2 cups all-purpose flour; 1 teaspoon cinnamon; 4 tablespoons unsalted butter (softened); 2 cups powdered sugar; 1/4 teaspoon salt; 3 tablespoons eggnog; Cinnamon (for garnish)