Drömrulltårta
Drömrulltårta·(druhm-rool-tor-tah)
Fika & Koselig: The Sacred Pauses
The smell of cocoa and sugar hitting a hot baking sheet means one thing: the sacred pause of Fika has arrived. The dream roll cake is the undisputed king of the Swedish coffee table. It is a masterclass in culinary minimalism, relying on pure potato starch rather than wheat flour to produce an ethereal, pliable chocolate sponge. Grandmothers across Sweden master this by subjecting the batter to a blistering hot oven for exactly five minutes, wrapping the finished cake around an egg yolk-enriched vanilla buttercream. It requires no specialty gear—just standard supermarket staples, a precise chemical trick, and a respect for the way things ought to be done.
Before you start
Bring the eggs and butter to room temperature well in advance.
Cold eggs will not whip to the required volume, and cold butter will result in a lumpy, broken buttercream.
Ingredients
- eggs3 large
- granulated sugar2/3 cup
- potato starch1/3 cup
- unsweetened cocoa powder2 tbsp
- baking powder1 tsp
- granulated sugar1/4 cup
- unsalted butter10 1/2 tbsp
- powdered sugar1 cup
- egg yolk1 large
- pure vanilla extract1 tsp
- kosher salt1 pinch
Method
- 01
Preheat the oven to 480°F and line a 15x10-inch jelly roll pan with parchment paper without greasing it.
This extreme heat is the secret to baking the cake in exactly five minutes so it remains moist and pliable.
- 02
Beat the eggs and the two-thirds cup of granulated sugar on high speed with an electric mixer for five to six minutes.
Do not rush this step; the mixture must become exceptionally pale, thick, and triple in volume to provide the sponge's structural integrity.
- 03
Sift the potato starch, cocoa powder, and baking powder directly into the bowl over the whipped egg mixture.
Using a rubber spatula, fold the dry ingredients together with extreme gentleness to preserve the aerated volume, stopping the exact second no dry streaks remain.
- 04
Pour the batter into the prepared pan, gently nudging it into the corners, and bake on the middle rack for exactly five minutes.
Watch it closely so it puffs up beautifully without burning.
- 05
While the cake bakes, lay a fresh sheet of parchment paper on the counter and sprinkle it generously with the remaining quarter cup of granulated sugar.
This creates the cake's signature sweet crust and prevents it from sticking.
- 06
Immediately upon removing the cake from the oven, invert the pan confidently onto the sugared parchment paper.
Lift the pan away, then carefully peel off the hot parchment paper that baked alongside the cake.
- 07
Cover the hot sponge with the inverted baking pan or a clean kitchen towel and let it cool completely to room temperature.
This traps the steam to keep the crumb incredibly moist; do not fill the cake while it is warm or the buttercream will melt into liquid.
- 08
Beat the softened butter until creamy, then mix in the powdered sugar, egg yolk, vanilla extract, and salt.
Whip on medium-high speed until it transforms into a pale, porous, and fluffy cream, utilizing the egg yolk to emulsify the frosting and add a velvety richness.
- 09
Spread the buttercream evenly across the cooled cake, leaving a small border at the edges, and roll it up tightly starting from one of the long sides.
Wrap the finished roll securely in parchment or plastic wrap and chill in the refrigerator for at least thirty minutes to ensure clean, beautiful slices.
Notes
Use only pure potato starch, never potato flour.
Potato starch is entirely flavorless and essential for the ethereal texture. Potato flour is made from whole dried potatoes and will ruin the dessert.
Employ the grandmother's cold water trick for stubborn parchment.
If the baked-on parchment paper refuses to peel away cleanly from the inverted cake, brush the back of the paper lightly with cold water to create a temperature shock that forces an instant release.