Heat up the milk to be about 50oC or 122oF.
Add in the pistachio butter in.
Mix with a hand frother. It will take a bit before it mixes, just be patient.
Once the pistachio butter is fully mixed with the milk. Add into the whipping cream.
Use a hand mixer to mix together.
Place whipped pistachio ice cream into a freezer safe bowl. Freeze for 2 hours before serving.
When ready to serve, let it sit at room temperature for 10 minutes. Serve with some crushed pistachio.