Step1: Prepare the ingredientPreheat oven to 350°F (175°C), ready a tray, and sift flour and matcha.
Step2: Make SpongeBeat egg whites with sugar till stiff. Mix yolks, oil and milk in another bowl, then fold in flour. Combine with the beaten whites. Bake for10-12 minutes.
Step3: Roll and coolroll the warm cake with parchment paper into final shape let cool completely.
Step4: Prepare Filling Whisk cream, sugar, and matcha until stiff.
Step5: AssembleSpread cream on the cake, roll up, and chill.