1, egg yolk bubbles, add two drops of white vinegar to remove fishy smell. Lemon is better.

2. Add milk and sugar to foam and heat in a pot.

3. Cool the milk and eggs, add them into the cream and stir well. You can put more cream, it will be sticky.

Cover the lid and put it in the refrigerator for about two or three hours. Take it out and stir it like an ice cream bucket.