Add all ingredients and blend together until smooth.
Topping
Beat whipping cream to soft peaks, then add sugar and piping gel (if using)
Top with whipped cream and chopped pistachios.
Notes
🌡️StoringYou can make this recipe ahead (up to 3 days), but you’ll want to store it in the freezer and take it out 20 minutes before serving. You can also store leftovers in the freezer for up to 3 days. I store it in juice jug (affiliate link) in the freezer.