01 -
Preheat oven to 175°C. Line a jelly roll pan with parchment paper and coat with nonstick spray.
02 -
In a medium bowl, combine all-purpose flour, baking powder, and salt. Set aside.
03 -
In a large bowl, beat egg yolks, 100 grams of granulated sugar, corn syrup, vanilla extract, and water at medium-high speed until pale and thickened, about 5 minutes.
04 -
In a separate bowl, beat egg whites until soft peaks form. Gradually add remaining 35 grams of granulated sugar in three additions, whipping until stiff peaks develop.
05 -
Gently fold half of the whipped egg whites into the yolk mixture. Incorporate dry ingredients in three portions, folding delicately after each addition. Blend in oil, then fold in remaining egg whites. Avoid overmixing.
06 -
Spread batter evenly in prepared pan. Bake for 15–18 minutes or until golden and sponge springs back when pressed lightly.
07 -
Dust a clean kitchen towel with powdered sugar. Once baked, loosen cake edges, invert onto prepared towel, remove parchment, and roll the cake with the towel. Cool completely on a wire rack.
08 -
In a bowl, whip heavy cream with powdered sugar and vanilla extract until soft and fluffy.
09 -
Carefully unroll cooled cake. Spread evenly with strawberry jam, then whipped cream. Gently roll up. Trim ends if desired and dust with powdered sugar before serving.