2. Take a stainless steel basin, pour in milk, heat cream, purified water and white sugar until the liquid smokes, add sugar and stir until the sugar dissolves.
3. Separate the egg yolk from the egg white, then sprinkle the egg yolk a little and pour it into the steel basin.
4. Stir while pouring, sift in corn starch, stir and mix while cooking until it is nearly thick.
5. Put the above two stirred liquids together and continue to stir.
6. Add the fruit, add liquid nitrogen and stir continuously until a hard shell is formed.
7. When the mixture is evenly stirred without obvious caking, the smoking ice cream is ready.