Home Uncategorized Copycat Subway Sugar Cookies- 1 1/4 cups white sugar 1 cup salted butter 3 egg yolks 2 teaspoons vanilla extract 2 1/2 cups all-purpose flour 1 teaspoon baking soda 1/2 teaspoon cream of tartar 1/4 teaspoon of salt 1/3 cup coarse sugar crystals or regular granulated sugar