You can put any jam to make cakes with different flavors. 28 × 28 baking tray. It's OK to bring the baking tray with 30 liter oven in general household.

Step1:Separation of yolk and egg white (no water and oil in the egg white basin

Step2:Beat the egg white until it's thick and put a third of the sugar (the total amount of sugar used for protein is 50g). This third is a third of the sugar used for 50g. Of course, it's not so precise. Just feel it by hand. It's OK to have more and less.

Step3:Beat until it's fine and put a third of suga

Step4:Put a third of sugar after striking till obvious lines appea

Step5:Beat the egg white until it is wet and hard to foam. It is not easy to crack.

Step6:Beat the yolk with remaining suga

Step7:Mix with wate

Step8:Add oil and beat well. Beat with egg puff for a few minutes.

Step9:Sift in the low flour and mix well (at this time, the oven is preheated to 170 degrees and heated up and down

Step10:Take one third of the egg white and mix wel

Step11:Mix well, then return to the egg white basin and mix the remaining egg white evenl

Step12:Pour into the baking tray with the baking paper laid. Level it and put it into the middle layer of the ove

Step13:Bake for 15 to 20 minutes, then take out and shake out the hea

Step14:Cool it for a while and put it on the baking net. Remove the baking paper while it's hot. Then cover it to prevent too much water from evaporating

Step15:When the temperature of the cake is hot, put jam on it and roll it up. Put it in the refrigerator to shape it

Step16:It's ready to eat.
Cooking tips:Parents who are sensitive to the smell of egg can add a few drops of vanilla essence to the egg yolk paste to make dishes delicious.