The famous lemon posset 🍋

The famous lemon posset 

INGREDIENTS :

3 large lemons for dessert and 1 lemon for zest.

Halve the lemons and scoop out the pulp.
Squeeze out the juice.
Remove the peel from 1 lemon.

Mix:

180ml water.
120 ml lemon juice.
150 grams of sugar.
30 grams of cornstarch.
100 grams of condensed milk.
3 egg yolks.
Lemon peel.