Vanilla Ice Cream
1.
1. Add sugar to egg yolk and stir well.
2.
2. Add milk and vanilla extract.
3.
3. Stir while heating, after boiling, transfer to a basin of cold water and let cool.
4.
4. Pour 60% of the cream into the cream, stir evenly, and put it in the freezer. After freezing for one hour, stir the ice cream liquid with a spoon and repeat three times.