1. Separate the eggs into a basin without water and oil
2. Put 5 grams of sugar in the egg yolk and mix well
3. Add salad oil and mix well
4. Add milk and coffee and mix well without separation of oil and water
5. Add low powder and mix well without dry powder
6. Put the egg whites in vinegar and beat them into fish bubbles, then add sugar to beat
7. Beat until the wet protein has a small hook
8. Take one-third of the egg whites into the batter and mix well
9. After mixing, pour into the egg whites, stir up and down, don't make a circle
10. Then pour into the mold, shake out bubbles, preheat the oven at 180 degrees for 10 minutes, and bake up and down for 15 minutes.
11. After baking, take it out of the oven and let cool
12. Whip the whipped cream with 15 grams of sugar
13. Spread the whipped cream on the cake
14. Then roll it up and put it in the refrigerator to shape it
15. Finished picture
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