Add powdered sugar to 2 egg yolks

Stir well with an egg beater.

Pour in corn starch

Stir again

Add milk several times and mix well.

After adding all the milk, drop a few drops of vanilla extract.

Fried egg yolk paste

Sieve out particles.

Put it in a small pot, simmer slowly, simmer, and stir constantly to avoid caking.

Finally, switch to egg pumping and stir quickly until the yolk paste becomes thick, and taste the taste without raw flour.

Put the whole pot into a cold water basin and continue to stir.

After completely cooling, put it in a bowl for storage.