Christmas Yule Log Cake

The hot sponge comes out of the oven thin and soft, and it needs to be rolled before it cools. I learned not to let it sit on the counter…

By Willow • November 9, 2026 • Reading time: 10 min

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The hot sponge comes out of the oven thin and soft, and it needs to be rolled before it cools. I learned not to let it sit on the counter while I tidy up: a warm cake bends around the towel, while a cooled, flat one is much more likely to crack when you roll it. That first roll gives this Christmas Yule Log Cake its shape before the whipped cream ever goes on.

Separating the eggs gives the cake its lift without making it too sturdy to bend. I fold the whipped whites into the cocoa batter gently, then let the cake cool in its towel so it keeps that curve. The finished log has a light chocolate sponge, a cool cream center, and a smooth chocolate-butter frosting with fork-marked bark.

Why a Yule Log Needs an Airy Sponge, Not a Sturdy Layer Cake

A rolled cake has a different job from a layer cake. It has to hold a filling and bend into a spiral, so a dense, sturdy crumb is working against you. This sponge gets much of its lift from egg whites beaten separately from the yolks. The whites hold air, and folding them into the chocolate batter keeps that air in the mixture instead of knocking it out.

The yolks and sugar make a thick, pale base that gives the cake structure, while the flour and cocoa are folded in rather than beaten hard. Once the whites are added, use a light hand and stop as soon as no large white streaks remain. A few tiny streaks are less of a problem than deflating the batter with extra mixing. That balance is what lets the baked layer stay soft enough to roll and sturdy enough to hold its cream filling.

This is also why the pan size matters. Spread the batter evenly in the 10×15-inch jelly-roll pan so it bakes into a thin layer, rather than a thick cake that resists curling. A light touch from start to finish gives the sponge its best chance of rolling without splitting.

Why These Ingredients Matter in a Cake That Has to Roll

• Separated eggs — The yolks enrich the batter, while the whites provide the whipped volume that makes a flexible sponge. Room-temperature eggs are easier to whip to volume; there isn’t a dependable egg substitute for this structure.
• All-purpose flour — It gives the thin cake enough structure to handle the filling without turning it into a chewy roll. Standard store-brand flour works well here; sifting it with the cocoa helps prevent dry pockets in the batter.
• Unsweetened cocoa powder — Cocoa gives the cake its chocolate flavor and is also used to dust the towel, helping the warm sponge release without adding a sugary coating. Use unsweetened cocoa rather than sweetened hot cocoa mix, which changes the sugar and cocoa balance.
• Cold heavy cream — Heavy cream whips into a filling that stays light inside the rolled cake. It needs to be cold to whip properly; milk or half-and-half won’t make the same stable, airy filling.
• Semisweet chocolate and butter — Finely chopped chocolate melts evenly, and butter gives the frosting its creamy, spreadable body. Use unsalted butter so the cake’s measured salt stays in the sponge, and choose chocolate you like eating because its taste comes through clearly in the frosting.

From Glossy Peaks to a Bark-Covered Log

Build a thick chocolate base

Beat the egg yolks with one-third of the granulated sugar on medium-high until the mixture is thick and pale, about 3 to 4 minutes. Beat in the vanilla, then sift the flour, cocoa powder, baking powder, and salt over the bowl. Fold just until the dry ingredients disappear; a heavy hand here makes the finished sponge less tender.

Fold in the whipped whites without losing their lift

In a clean bowl, beat the egg whites until foamy, then gradually add the remaining sugar and continue until glossy stiff peaks form. Fold one-third of the whites into the chocolate mixture first; this loosens the dense base so the rest can be incorporated more easily. Gently fold in the remaining whites and stop once the batter looks mostly even. The mixture should stay airy rather than turning runny.

Bake the thin layer and roll it while warm

Heat the oven to 350°F, coat a 10×15-inch jelly-roll pan with cooking spray, line it with parchment, and lightly spray the parchment. Spread the batter evenly and bake for 10 to 12 minutes, until the top springs back when lightly touched. Dust a clean kitchen towel with the remaining cocoa, invert the hot cake onto it, and peel away the parchment. Starting at a 10-inch end, roll the cake up with the towel and let it cool seam side down for about 45 minutes.

Fill the spiral and chill it seam side down

Beat the cold heavy cream until medium-firm peaks form. Gently unroll the cooled cake and spread the cream over it, leaving a half-inch border so the filling has room when the cake is rolled back up. Roll it without the towel and set it seam side down in the refrigerator for 30 minutes. That brief chill helps the filled log hold its shape for decorating.

Shape the branch and finish the bark

Melt the chopped semisweet chocolate in a microwave-safe bowl in 30-second intervals, stirring between each, and let it cool until barely warm but still pourable. Beat the softened butter until creamy, gradually beat in the powdered sugar, then add the chocolate and milk and beat until smooth and spreadable. Trim the ends, cut a 2-inch diagonal piece from one end, and set it against the side of the log to form a branch. Cover the cake with frosting, mark the surface with fork tines, and chill for at least 20 minutes before serving.

Three Ways to Adapt the Log Without Losing Its Shape

Questions That Come Up While Rolling and Frosting a Yule Log

Christmas Yule Log Cake

Christmas yule log cake is a rolled chocolate sponge filled with whipped cream and finished with chocolate frosting marked to look like bark. The cake is rolled while hot, then chilled after filling for a neat sliceable dessert.

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Prep Time 30 minutes mins

Cook Time 12 minutes mins

cooling and chilling 1 hour hr 35 minutes mins

Total Time 2 hours hrs 17 minutes mins

Servings: 8 servings

Course: Dessert

Cuisine: French

Calories: 590

Ingredients Equipment Method Notes

Ingredients

  

For the cake

• cooking spray for coating the pan and parchment
• 4 eggs large, separated, at room temperature
• 0.67 cup granulated sugar divided
• 1 tsp vanilla extract
• 0.5 cup all-purpose flour
• 5 tbsp unsweetened cocoa powder divided
• 0.5 tsp baking powder
• 0.25 tsp salt

For the filling

• 1.5 cups heavy cream cold

For the frosting

• 4 oz semisweet chocolate finely chopped
• 0.5 cup unsalted butter softened
• 2 cups powdered sugar
• 2 tbsp milk

Equipment

• 1 10x15-inch jelly-roll pan
• 1 electric mixer

Method

 

Bake the cake

1. Heat the oven to 350°F and coat a 10x15-inch jelly-roll pan with cooking spray; line it with parchment paper and lightly spray the parchment.
2. Beat the egg yolks and 1/3 cup of the granulated sugar in a large bowl on medium-high until thick and pale, 3 to 4 minutes, then beat in the vanilla.
3. Sift the flour, 4 tablespoons of the cocoa powder, baking powder, and salt over the yolk mixture, then fold until combined.
4. In a clean bowl, beat the egg whites until foamy, then gradually add the remaining 1/3 cup granulated sugar and beat until glossy stiff peaks form.
5. Fold one-third of the whites into the chocolate mixture to loosen it, then gently fold in the remaining whites.
6. Spread the batter evenly in the prepared pan and bake for 10 to 12 minutes, until the top springs back when lightly touched.
7. Dust a clean kitchen towel with the remaining 1 tablespoon cocoa powder, invert the hot cake onto it, and peel off the parchment.
8. Starting at a 10-inch end, roll the cake up with the towel and let it cool seam side down for about 45 minutes.

Make the filling

1. Beat the cold heavy cream in a large bowl until medium-firm peaks form.
2. Gently unroll the cooled cake, spread the whipped cream over it leaving a 1/2-inch border, then roll it back up without the towel.
3. Chill the cake seam side down for 30 minutes.

Make the frosting

1. Melt the semisweet chocolate in a microwave-safe bowl in 30-second intervals, stirring between each, then let it cool until barely warm but still pourable.
2. Beat the butter until creamy, gradually beat in the powdered sugar, then beat in the melted chocolate and milk until smooth and spreadable.

Assemble the cake

1. Trim the ends of the cake, cut a 2-inch diagonal piece from one end, and place it against the side of the log to form a branch.
2. Spread the frosting over the cake and mark it with fork tines to resemble bark.
3. Chill the cake for at least 20 minutes before serving.

Notes

Roll the sponge while it is hot to help prevent cracking. Store covered in the refrigerator for up to 3 days; it can be frozen. For a dairy-free variation, use dairy-free whipping cream, butter, milk, and semisweet chocolate.