Ingredients
Method
- Preheat oven to 180°C (350°F) and line a jelly roll pan with parchment paper.
- Whisk flour, cocoa powder, baking powder, espresso powder, and salt.
- Beat eggs, sugar, and vanilla until pale and fluffy.
- Gently fold dry ingredients into egg mixture.
- Add warm milk and melted butter, mix until smooth.
- Spread batter evenly in pan and bake for 10–12 minutes.
- Roll sponge while warm with parchment paper and let cool.
- Unroll, spread whipped cream evenly, then re-roll tightly.
- Chill for 1–2 hours.
- Pour ganache over roll, set, then slice and serve.
Notes
- The most important step is whipping the eggs properly until they become pale, thick, and fluffy—this creates the light sponge texture.
- Always roll the cake while it is still warm. If you wait until it cools, the sponge may crack when rolling.
- Do not overbake the sponge. It should remain soft and slightly springy to touch this keeps it flexible.
- Use gentle folding technique when combining dry ingredients to avoid losing air from the batter.
- For best results, use cold whipping cream to get a stable, fluffy filling that holds its shape.
- Chilling the rolled cake for at least 1–2 hours helps the structure set and makes slicing much cleaner.
- Swiss roll tastes even better the next day as the flavors fully develop and the cream sets beautifully.
