Place the white chocolate into a small mixing bowl and set it aside.
Transfer the pistachios to a sealed plastic bag, and lightly crush them.
Add the crushed pistachios and the heavy whipping cream into a small saucepan. Set themixture over medium heat, stirring occasionally until it reaches a simmer.
Once the mixture is simmering, turn off the heat and let it sit for 10 minutes.
Put the mixture back on medium heat and bring it to a simmer again.
Once simmering, pour the cream through a fine-mesh sieve over the white chocolate.Whisk the cream and chocolate until the mixture is smooth.
Iced White Chocolate Pistachio Latte
Line a cup with some pistachio paste, then fill it with ice.
Drizzle 1 tbsp. of the white chocolate pistachio sauce into the cup, then pour in yourmilk of choice.
Brew 2 shots espresso, then pour it over the milk.
Stir, serve, and enjoy!
Notes
Store the extra white chocolate pistachio sauce in an airtight container in the fridge, and enjoy for up to 1 week.