This holiday cake steals the show.

This towering four-layer cakeis creamy and slightly boozy.

Repeat until the entire cake is covered.

eggnog spice cake

Credit:Monica Farber/Southern Living

Use a Microplane grater to create the finest dusting of nutmeg on top.

Your guests will love this new way to enjoy their Christmas eggnog.

Whisk together half-and-half and egg yolks in a glass bowl.

Gradually whisk half-and-half mixture into sugar mixture.

Cook over medium, whisking constantly, until mixture starts to bubble, 7 to 8 minutes.

Cook, whisking constantly, 1 minute; remove from heat.

Whisk in butter and bourbon.

Transfer to a medium bowl.

Place plastic wrap directly on warm filling to prevent a film from forming.

Let stand 30 minutes; chill 4 to 24 hours.

Prepare the Cake Layers:Preheat oven to 350F.

Beat butter with a heavy-duty electric stand mixer on medium speed until creamy.

Gradually add granulated sugar, beating until light and fluffy.

Add eggs, 1 at a time, beating just until blended after each addition.

Stir together flour, baking powder, salt, cinnamon, and nutmeg in a large bowl.

Stir together whole milk and eggnog in a glass measuring cup.

Divide batter evenly among 4 greased (with vegetable shortening) and floured 9-inch round cake pans.

Cool in pans on wire racks 10 minutes.

Transfer from pans to wire racks, and cool completely, about 1 hour.

Prepare the Eggnog Buttercream:Beat butter with a heavy-duty electric stand mixer on medium speed until creamy.

Gradually add vanilla extract and 1 cup of the powdered sugar.

Stir together eggnog and 12 cup of the cream in a small bowl.

Beat on high speed until smooth and fluffy.

Assemble the cake:Place 1 cup of the buttercream in a large piping bag.

Spread 13 cup of the filling inside the ring.

Repeat procedure with 2 more layers.

Top with fourth layer.

Spread top and sides of cake with a very thin layer of buttercream.

Place remaining buttercream in a large piping bag fitted with a large star tip.

If desired, sprinkle cake with nutmeg.