01 -
Heat the oven to 375°F (190°C) and prepare a jelly roll pan with parchment paper.
02 -
Beat the egg yolks with ½ cup sugar until the mixture is thick and light.
03 -
In a separate bowl, mix the flour, cocoa powder, baking powder, and salt.
04 -
Whip the egg whites until soft peaks form, then gradually add the remaining sugar to achieve stiff peaks.
05 -
Gently fold the whipped egg whites into the yolk mixture, then carefully fold in the dry ingredients.
06 -
Spread the batter evenly onto the prepared pan.
07 -
Bake for about 12 to 15 minutes, until the cake is set.
08 -
Turn the cake onto a sugared towel, roll it gently with the towel, and let it cool.
09 -
Beat the heavy cream with powdered sugar and vanilla extract until stiff peaks form.
10 -
Unroll the cooled cake, spread the whipped cream mixture over it, and place sliced bananas evenly on top.
11 -
Carefully roll the cake back up, maintaining a firm shape.
12 -
Top with chocolate ganache and garnish with chocolate shavings.
13 -
Refrigerate for at least one hour before serving.