Separate the egg whites and egg yolks, add the egg yolk and add 20 grams of sugar to the sugar to dissolve the egg yolk.
Add salad oil and stir until the oil egg is completely mixed.
Add orange juice and mix well
Add orange dander and mix well
Sift in low powder and mix until the batter is even. Preheating oven 180 degrees
Add a few drops of vinegar to the egg white, add 40 grams of sugar, and stir it to a state of near-dry foaming.
Add protein to the egg yolk paste in three portions, and mix evenly.
Into the mold, a few light shocks, into the lower layer of the oven, 38 minutes, take out the inverted buckle cool and release