Creme De Menthe Gelato - cooking recipe

Ingredients

3/4 cup superfine sugar (caster sugar)
4 large egg yolks
2 cups whole milk
1 tablespoon vanilla
3/4 cup heavy cream
1/4 cup creme de menthe

Preparation

Set aside a large bowl of ice water.
In a saucepan, bring milk and half of sugar to a simmer, stirring until sugar is dissolved. Add creme de menthe.
In another bowl, mix or whisk yolks and remaining sugar until thick and pale. To this add hot milk slowly, whisking, and pour mixture back into saucepan when finished.
Cook over moderately low heat, stirring constantly, for approx 20 minutes. (170F) Do not allow mixture to boil!
Pour custard through a fine sieve into a freezer container, stir in cream and set in the bowl of ice water to cool.
Chill in refrigerator until cold (1 to 4 hours).
Press plastic wrap to the surface of the mixture and cover container with a lid. Put in the freezer until frozen, (1.5 to 3 hours).
Remove from freezer and whisk with a hand blender to break up any ice crystals.
Return to freezer.
Repeat process one to three more times until it reaches desired smoothness.
Garnish with mint leaves or shaved chocolate.