1. Add rice vinegar to the egg whites and stir until the fish eyes are soaked. Add 1/3 of the sugar and continue to beat.
2. To the fine and dense small bubbles, add 1/3 of the sugar and continue to hair.
3. Beat until finer, add the remaining sugar, and beat until small sharp corners appear.
4. Take a portion of the beaten egg whites, add 3 grams of cocoa powder, and mix well.
5. Take another part of the beaten egg whites, add 5 grams of cocoa powder, and mix evenly, paying attention to the action to be fast and gentle.
6. Cut a piping bag, put the three colors of protein together, roll it and put it into a new piping bag, choose the five-toothed piping mouth, or you can choose other ones, personally think that the eight-toothed ones will have more water chestnuts , Looks better.
7. Squeeze it vertically on a non-stick baking tray. It turns out that it is more convenient to take out after spreading a greased paper underneath.
8. Preheat the oven, middle level, 85 degrees, bake for 60 minutes.
Tips:After adding the cocoa powder, the egg whites must be mixed quickly and gently to prevent defoaming.
