1. Separate egg whites and egg yolks
2. 2. Pour water and salad oil together and stir until emulsified;
3. Add egg yolk and mix well
4. Sift in low-gluten flour and stir in a large circle until smooth
5. 5. Divide the egg yolk batter into small portions and mix the cocoa powder into the small portions;
6. Add the fine sugar to the egg whites in portions and stir until stiff foaming
7. 7. The egg yolk batter and the beaten egg whites are mixed evenly;
8. 8. Spread greased paper on the baking tray and squeeze out the Olympic Games icons with cocoa cake paste on it
9. 9. Gently squeeze the remaining batter onto the Olympic logo and scrape it flat;
10. Put it into the Depu oven, grill 180 degrees, and bake for 16 minutes;
11. 11. Take it out and keep it cool for later use;
12. 12. Whip the whipped cream with powdered sugar, spread it on the cake roll, and roll it up. After making, refrigerate for 2h, ready to eat and taste better
13. Delicious
Tips:The oven needs to be preheated in advance, after the batter is finally mixed, it should be sent into the oven for baking as soon as possible;
Because the fire of this cake is not easy to be too high, otherwise the color of the rolled cake is not bright enough
