How do they get the salt and pepper in the pistachio nut?

The salt and pepper flavoring in pistachio nuts typically comes from a seasoning process. After harvesting, the nuts are often roasted and then coated with a mixture of salt and spices, including black pepper. This seasoning enhances the natural flavor of the nuts, making them a popular snack. The combination can vary, with some brands offering unique spice blends for added taste.