How to make the crust of souffle more crisp?

Crispy egg yolk is made of wheat, butter and egg yolk, and the ingredients are white sugar, water, soybeans, bean paste and salted duck eggs. There are many things in common with Su-style moon cakes. If you want to make souffle, you need to prepare flour, butter and low-fat flour, bean paste and salted duck eggs. First of all, you need to sieve the powder, mix it with the raw materials of oil skin, knead it evenly, put it aside in a fresh-keeping bag and relax for 30 minutes. Mix the low-fat flour and softened butter with a sieve and put them in a fresh-keeping bag for 30 minutes. Egg yolk should be soaked in edible oil for two hours in advance, then added with white wine and baked in the oven for 5 minutes.

It is necessary to divide the dough that has been left for 30 minutes into 12 portions, put an egg yolk in each portion, wrap the dough in an oil bag, close it, flatten it by hand, roll it out from the middle with a rolling pin, and roll it three times from top to bottom. Then make other works in the same way. Pick up a prepared dough and press it in the middle, then let the two sides tilt up, and then close the two sides to the middle and press it into a circle. Put a bean paste egg yolk stuffing, fold it into the desired shape, spread a layer of oil paper in the oven, then put it on the oil paper evenly, put it in the oven, brush a layer of egg yolk liquid on each piece, and sprinkle black sesame seeds. It will take out in 25 minutes.