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several eggnog cookie bars are lined up on a small serving board, with one cookie that is broken in half

eggnog cookie bars recipe

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5 from 1 review

Eggnog laden cookie dough is swirled with spicy cinnamon and warm vanilla, then baked until rich and tender. Fresh eggnog buttercream, a pinch of nutmeg, and a crown of crushed candy cane give these eggnog cookie bars a festive finish!

  • Total Time: 3 hours 55 minutes
  • Yield: 20 cookie bars 1x

Ingredients

Units Scale

For the dough:

  • 1/2 cup (1 stick) butter, at room temperature
  • 1 cup granulated sugar
  • 1 egg, at room temperature
  • 2/3 cup eggnog, at room temperature
  • 2 teaspoons vanilla extract
  • 2 1/4 cups all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/2 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg

For the frosting:

  • 1/2 cup (1 stick) butter, at room temperature
  • 2 cups powdered sugar
  • 1/4 cup eggnog, at room temperature
  • 1 teaspoon vanilla
  • 1/2 teaspoon cinnamon
  • Pinch salt

For topping:

  • Festive sprinkles
  • Crushed candy cane
  • Ground nutmeg

Instructions

  1. Preheat your oven to 350℉. In a large mixing bowl, use a handheld electric mixer to beat 1 stick of room temperature butter with the granulated sugar until fluffy and well combined.whipped butter and sugar in a mixing bowl with a handheld mixer leaning in
  2. Add the egg, ⅔ cup of eggnog, and 2 teaspoons of vanilla  and continue beating until smooth and creamy.additional liquid and spice ingredients are added to the bowl with the butter mixture.
  3. In a separate bowl, whisk the flour with the baking powder and ½ teaspoons each salt, cinnamon, and ground nutmeg.dry ingredients are whisked in a large mixing bowl.
  4. Add the flour mixture to the bowl with the butter mixture and fold the two together until the dough comes together. Do your best to get all of the flour that tracks up the sides of the bowl incorporated into the dough, as the flour is what gives your cookie bars their sturdy structure which will be important when it comes time to move and frost your cookie slab after bakinga thick and sticky dough has formed in the mixing bowl
  5. Transfer your eggnog cookie dough into a quarter sheet pan (also known as a 9x13 baking sheet) or other shallow baking dish lined with parchment. Leave a bit of parchment paper overhang to help you lift the cookie bars out once they’re baked. the cookie dough is transferred to the center of a baking sheet
  6. Smush and smooth the cookie dough out into the pan, aiming for an even layer all the way across. Make sure to get dough into all of the corners; this will give you nice square edges that don’t need much trimming later. the eggnog cookie bar dough has been smoothed into an even layer in the baking sheet
  7. This step is optional, but I usually sprinkle a little crushed candy cane over the dough before the bake, giving the eggnog cookie bars an extra layer of crunchy texture and really letting that Christmas candy cane flavor bake right in. crushed candy canes are sprinkled across the surface of the unbaked cookie dough
  8. Transfer to the oven and bake for 35-40 minutes, until fully set in the center and lightly golden around the edges. the baked cookie slab is removed from the oven
  9. Remove your cookie slab from the baking sheet and let it cool completely. This is a great time to break if you are making these ahead! After it cools, just wrap the slab in plastic and store at room temperature until tomorrow. the cookie slab is transferred to a wire cooling rack
  10. When you’re ready to frost and decorate, combine 1 stick of room temperature butter with the powdered sugar and ¼ cup of eggnog. powdered sugar and eggnog are combined in a mixing bowl
  11. Beat with an electric mixer until smooth, then add your vanilla, cinnamon, and a pinch of salt. a silky frosting is formed, to which spices and vanilla are added
  12. Beat again until smooth and creamy and thoroughly impossible to resist dipping your finger into!a bowl of fully whipped eggnog frosting with the beaters of a handheld mixer leaning in
  13. Plop your eggnog frosting onto your cookie slab, then spread and smooth it into an even layer. the eggnog cookie slab is resting on a wooden cutting board and topped with an even layer of the frosting
  14. Slice the slab into cookie bars! I like to make them into baton shapes like this, which will yield about 20 cookies, but you could definitely make yours square or rectangular or even use cookie cutters if you like. Trim the edges if you like; this will give them that distinctively cookie bar square edge!the slab is sliced into two rows of long rectangular cookies
  15. Decorate your eggnog cookie bars as desired. I went with more crushed candy canes and some shimmery gold sprinkles for a festive look. Serve and Enjoy! the frosted eggnog cookie bars are topped with a sprinkling of crushed candy cane and small round gold sprinkles
  • Author: Kelly
  • Prep Time: 15 minutes
  • Cooling Time: 3 hours
  • Cook Time: 40 minutes
  • Category: desserts
  • Method: Baking
  • Cuisine: holiday

Nutrition

  • Serving Size: 1 cookie bar
  • Calories: 217
  • Sugar: 23.3 g
  • Sodium: 186.1 mg
  • Fat: 7.8 g
  • Carbohydrates: 34.7 g
  • Fiber: 0.5 g
  • Protein: 2.4 g
  • Cholesterol: 34.5 mg