To upgrade these cookies, replace the vanilla extract with vanilla bean seeds - slice each vanilla pod lengthwise with the tip of a sharp knife, and scrape out the tiny brown seeds and add them to cookie dough. Then store the empty pods in sugar to make vanilla scented sugar for coffee or tea. Gluten-Free Eggnog Cookies: Make the Gluten-Free Vanilla Cookies, adding 1/4 teaspoon ground nutmeg to the flour mixture. Add 2 tablespoons bourbon whiskey to the butter and sugar. Bake as directed. Gluten-Free Lemon and Raisin Cookies: Make the Gluten-Free Vanilla Cookies, adding 1 teaspoon lemon zest to the butter mixture, and substituting 1 cup golden raisins for the semisweet or white chocolate chips.