01 -
Set the oven to 350°F. Line a jelly roll pan (10×15 inches) with parchment and give it a light coat of grease.
02 -
Blend eggs and sugar until they’re thick and light-colored. Pour in vanilla. Combine flour with baking powder by sifting, then slowly fold into the egg mixture along with the lemon zest and juice.
03 -
Spread the batter in the prepared pan, making it even. Bake it for about 12-15 minutes, or until it lightly bounces back when touched.
04 -
Lay a kitchen towel on the counter and sprinkle with powdered sugar. Flip the warm cake onto the towel, peel off the parchment, and roll it up with the towel still inside. Let it cool all the way.
05 -
Whip the heavy cream until it starts to form soft peaks. Add powdered sugar, lemon extract, and lemon zest, then continue whipping until it’s firm and holding peaks.
06 -
Unroll the cooled cake and coat the inside with an even layer of the lemon cream. Carefully roll it back up without using the towel. Let it chill in the fridge for at least an hour. Sprinkle more powdered sugar on top before slicing.