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Frosted Eggnog Sugar Cookies

Frosted Eggnog Sugar Cookies

You could not pay me to drink a glass of eggnog, but I will happily bake with it all Christmas season long. Being made of eggs and dairy, it’s just a thin custard—think melted ice cream—so it’s an easy swap for the liquid in many of my favorite bakes.

I’ve made eggnog sandwich cookies, cakes, scones, and puff pancakes over the last several years, plus a few more treats that I still need to perfect before I pass them your way. These Frosted Eggnog Sugar Cookies though? They couldn’t wait. They’re the seasonal sibling of the Soft Sour Cream Sugar Cookies I posted earlier this year, and they are spectacular.

Frosted Eggnog Sugar Cookies

I think of these as a slightly-sophisticated holiday take on the Lofthouse Cookies I loved in college. Made with ingredients like softened butter, sour cream and eggnog, and sweetened with a mix of granulated and confectioner’s sugars, these cookies are super tender and slightly cakey (but in a good way). Their flavor is rounded out with cinnamon and nutmeg; you can add 1/2 teaspoon of rum extract (not straight rum!) too, if that’s your deal.

Heads up that this recipe requires a fair amount of inactive prep time. Initially, the dough is super sticky and needs a long chill to be workable. There is no way around this—I tried the freezer, rolling it between parchment, and separating it into quarters before the chill. You need to set aside at least four hours between mixing and baking, or prepare to have sticky hands and be extremely frustrated. No, thanks! Once the dough is cold and the ingredients have had a chance to meld though, it’s smooth sailing.

Make sure to roll your cookies out so that they’re super thick. I like them to be 1/2-inch thick before baking, and though they will spread somewhat significantly, they’ll still get some good height. They won’t look particularly enticing coming out of the oven, but that’s because they aren’t done yet. Ohhh no. Each of these ultra-soft sugar cookies is topped with a blanket of buttercream and sprinkled with a mixture of cinnamon and eggnog for maximum holiday cheer.

Frosted Eggnog Sugar Cookies

I know I say this about every recipe, but these are so good, y’all—feather soft with plenty of eggnog flavor and a little tang from the sour cream. The combination of tender cookie and hearty schmear of buttercream is akin to eating the top a cupcake. If that’s not the ideal way to consume eggnog this holiday season, I don’t know what is.

Frosted Eggnog Sugar Cookies
Frosted Eggnog Sugar Cookies
makes about 3 dozen

2 1/3 cups all-purpose flour
3/4 cup confectioner’s sugar
3/4 teaspoon ground cinnamon
3/4 teaspoon ground nutmeg
1 1/4 teaspoons baking powder
1/2 teaspoon Kosher or sea salt
1 cup unsalted butter, softened to room temperature
3/4 cup granulated sugar, packed
1 large egg, room temperature
1/4 cup sour cream (not fridge-cold)
1/4 cup eggnog (not fridge-cold)
2 teaspoons pure vanilla extract

Eggnog Buttercream:
1/2 cup (1 stick) unsalted butter, softened to room temperature
2 cups confectioner's sugar
pinch of ground cinnamon
pinch of ground nutmeg
pinch of Kosher or sea salt
1 teaspoon pure vanilla extract
3 tablespoons eggnog

Special Equipment:
a 2-inch round cookie cutter
offset icing spatula

Make the cookie dough. In a small bowl, whisk together flour, confectioner’s sugar, cinnamon, nutmeg, baking powder and salt. Set aside.

In a medium-large mixing bowl, use an electric mixer to beat butter until light and fluffy, about 2 minutes. Beat in sugar until creamy. Mix in egg, followed by sour cream, eggnog and vanilla. Add dry ingredients in 2 installments, beating until combined. Dough will be a bit sticky.

Divide dough into halves and wrap each in plastic wrap. Chill for at least 4 hours or up to 3 days.

Place oven racks in central positions. Preheat oven to 350F. Line 2 rimmed sheet pans with parchment paper. Set aside.

Generously flour a surface and rolling pin. Unwrap one half of the dough. Roll the dough to 1/2-inch thickness, lifting and turning the dough frequently so that it doesn’t stick to your surface. Use a 2-inch round cutter to cut cookies. Cut directly down. Do not twist.

Place cookies 2 inches apart on prepared pans. Bake 10-11 minutes, rotating top-to-bottom and back-to-front at the 5 minute mark. Cookies are done when puffed and no-longer raw-looking. They should be mostly pale, but there may be some golden coloring at the bottom edges. Let cookies cool on the pans for 8-10 minutes before removing to a rack to cool completely. Let sheet pans come to room temperature before proceeding with the next batch.

Repeat rolling, cutting and baking with remaining half of dough. Re-roll scraps as desired, refrigerating if anything gets too sticky.

Make Eggnog Buttercream. In a large mixing bowl, use an electric mixer to beat butter until light and fluffy, about 2 minutes. Beat in confectioner's sugar in two installments, scraping down the bowl as necessary. Beat in cinnamon, nutmeg, salt and vanilla. Add eggnog and beat until combined.

After cookies have cooled completely, use an offset icing spatula to frost each one with about 1 tablespoon of Eggnog Buttercream. Garnish with pinches cinnamon and nutmeg immediately after frosting. Buttercream will crust after an hour or so. You may serve the cookies immediately after frosting, but they are softest the next day.

After they’ve crusted, leftovers may be layered with wax or parchment paper and kept in an airtight container. They will keep at room temperature for a couple of days or in the refrigerator for up to a week.