This Eggnog Poke Cake became a holiday staple the first winter I tried to combine two of my favorite things: the nostalgia of store-bought white cake mix and the cozy, spiced flavor of eggnog. I discovered the combination one chilly December when a last-minute guest list overwhelmed my usual plan. I wanted something simple to assemble, easy to transport, and unmistakably festive. The poke technique—making shallow wells across the baked cake and filling them with a liquid custard—creates pockets of creamy eggnog in every bite, transforming a humble boxed cake into a show-stopping dessert.

What makes this version special is the balance of textures and flavors: a tender, slightly sweet white cake, a silky vanilla pudding mixed with cold eggnog that sinks into every hole, and a light, airy whipped topping finished with freshly grated nutmeg. The cake hums with warm holiday spices from the eggnog, but it’s never heavy. It’s one of those desserts that looks like it took hours but actually comes together with pantry staples and minimal fuss—ideal for evenings when the oven’s already working overtime with cookies and roast vegetables.

Ingredients

• 15.25 ounces white cake mix: Any reliable brand works—Pillsbury or Duncan Hines give a neutral, tender crumb. The boxed mix keeps the batter light so the pudding can sink in without making the cake too dense.
• 1 cup eggnog: Full-fat eggnog yields the richest flavor and helps the cake absorb classic holiday spices. You can use store-bought or homemade; for a boozy version add 1 to 2 tablespoons rum or rum extract to taste.
• 3/4 cup salted sweet cream butter, melted and cooled: Salted butter adds depth; if using unsalted, stir in 1/4 teaspoon salt to the batter. Melt then cool slightly so it doesn’t cook the eggs when combined.
• 3 large eggs, at room temperature: Room-temperature eggs emulsify better, producing a smoother batter and more even rise. Let them sit on the counter for 30 minutes before mixing.
• 3.4 ounces instant vanilla pudding mix: One standard 3.4-ounce packet thickens quickly with cold eggnog to create the filling that nests in the poke holes.
• 2 cups cold eggnog: Cold eggnog helps the instant pudding thicken properly—use the same variety you prefer for the batter for consistent spice level.
• 8 ounces whipped topping, thawed: Cool Whip or store-brand whipped topping provides stability and a light finish; if you prefer fresh, whip 1 1/2 cups heavy cream with 2 tablespoons powdered sugar until soft peaks form.
• 1/2 teaspoon ground nutmeg, optional garnish: Freshly grated nutmeg is aromatic and bright; save it for just before serving to keep the flavor vibrant.

Instructions

Preheat and prepare: Preheat the oven to 350°F. Lightly spray a 9x13-inch baking dish with a nonstick spray like Baker’s Joy or line the pan with parchment for easier removal. A greased 9x13 pan ensures even baking and prevents sticking. Mix the batter: In a medium bowl, combine the white cake mix, 1 cup eggnog, 3/4 cup melted cooled butter, and 3 room-temperature eggs. Use a handheld mixer on medium-high for 1 to 1½ minutes until the batter is smooth and no streaks of flour remain. Avoid overmixing—stop once combined to keep the cake tender. Bake until set: Spread the batter evenly into the prepared 9x13 pan. Bake 28 to 30 minutes at 350°F or until a toothpick inserted near the center comes out clean. Rotate the pan halfway through baking if your oven has hot spots. Let the cake cool completely—this is crucial so the pudding won’t melt into the surface and will instead sink into the holes. Poke the cake: Once cool, use the rounded end of a wooden spoon or a chopstick to poke holes about 1 inch apart across the entire cake surface. Press down about halfway to two-thirds through the cake so the pudding can settle into pockets without leaking out the bottom. Prepare the pudding filling: Whisk together the 3.4-ounce instant vanilla pudding mix and 2 cups cold eggnog in a medium bowl until well combined and beginning to thicken—about 1 to 2 minutes. Using cold liquid lets the instant mix hydrate properly and ensures a silky texture that seeps into the holes. Assemble layers: Use an offset spatula to quickly and evenly spread the pudding mixture over the cake, encouraging it to drip into the holes. Work swiftly so the pudding doesn’t set before penetrating the pockets. Then spread the thawed whipped topping over the pudding layer until smooth and even. Chill and finish: Cover the pan and refrigerate for at least 4 hours, preferably overnight. Chill time allows the pudding to fully set and the flavors to meld. Before serving, sprinkle with 1/2 teaspoon ground nutmeg for aroma and visual appeal. Slice with a sharp knife dipped in hot water for clean cuts.

Storage Tips

Keep the cake covered in the refrigerator in an airtight container or tightly wrapped with plastic wrap to prevent it from absorbing other aromas. It will keep well for up to 3 days; the texture softens over time as the pudding and cake fully hydrate. To freeze, wrap tightly in two layers of plastic wrap and a layer of foil and freeze for up to 1 month—thaw in the refrigerator overnight and note that frozen/thawed whipped topping will have a slightly different texture, so consider adding a fresh layer of whipped cream before serving.

Ingredient Substitutions

If you need dairy-free options, use a dairy-free white cake mix, dairy-free eggnog (coconut or almond-based), dairy-free butter substitute, and a vegan whipped topping. For a gluten-free version, choose a certified gluten-free white cake mix and ensure your instant vanilla pudding is gluten-free. To make it boozy, stir 1 to 2 tablespoons dark rum or spiced rum into the pudding mixture for a grown-up twist. If you prefer fresher flavor, replace the instant pudding with a stabilized pastry cream—but expect extra time and technique.

Serving Suggestions

Serve slices with small spoons of warmed caramel sauce, a dollop of brandy-spiked whipped cream, or alongside warm coffee or spiced cider. Garnish each slice with a light dusting of nutmeg and a sprig of fresh mint for contrast. Because it’s sweet and rich, pair the cake with tart fruit like cranberries or a simple citrus salad to cleanse the palate between bites.

Cultural Background

Poke cakes are a practical American innovation, born from the creativity of home cooks using packaged mixes and instant puddings to create layered, saucy desserts without fuss. Combining those techniques with eggnog—an alcoholic or nonalcoholic spiced dairy drink with roots tracing back to medieval posset—makes this an ideal holiday adaptation combining convenience and seasonal flavor. The result echoes the warm, spiced drinks served during winter holidays across the U.S.

Seasonal Adaptations

In winter, use traditional eggnog and top with a pinch of nutmeg and perhaps a dusting of cinnamon. For spring or summer parties, substitute with an eggnog-style vanilla custard or a chilled vanilla milk punch. At Thanksgiving, add a swirl of pumpkin butter to the pudding filling for a pumpkin-eggnog hybrid. For New Year’s, fold a tablespoon of Grand Marnier into the whipped topping for a celebratory citrus note.

Meal Prep Tips

Make the cake fully the day before: bake, poke, fill with pudding, top with whipped topping, and chill. This frees up your event day for last-minute salads and mains. Transport chilled in a sturdy pan inside an insulated carrier. If you’re prepping for a crowd, double the pudding layer and spread across two pans to prevent over-saturation in one deep pan.

There’s a deep satisfaction in turning a boxed mix into something that feels handmade—and this cake achieves that. It’s forgiving, adaptable, and reliably loved by guests. Try it once for a holiday party and it’ll likely become part of your seasonal repertoire.