This is a creamy smooth ice cream spiced with sumac and ginger. The pureed fresh persimmon give a bit of texture and fruity flavor accented by Domaine de Canton ginger liqueur. The buttermilk adds a bit of tanginess. —Sagegreen
In a heavy saucepan combine the whipped cream, buttermilk, sugars, ground sumac and ground ginger. Bring to a slow boil. Take off the heat.
Add 2 tablespoons of the hot mix to the the beaten eggs to temper. Slowly whisk the beaten egg mixture to the rest of the hot mix. Whisk briskly. Return to low heat for a few minutes, but do not bring to a boil. Take off the burner and let cool for about 15-20 minutes.
Puree the peeled persimmon fruit with the vanilla and ginger liqueur. Whisk this mixture to the cooling egg cream mix. Cool in the fridge for several hours until well chilled.
Process the well chilled mixture following your ice cream maker instructions. Then freeze for a few hours before serving. Garnish with a sprinkle of sumac and fresh ginger if you like.