Add the pistachio kernels, Parmesan cheese, basil leaves, garlic clove, extra virgin olive oil, lemon juice, water, salt and black pepper to a food processor.
1 cup pistachio kernels
½ cup Parmesan cheese
2 cups basil leaves
1 garlic clove
½ cup extra virgin olive oil
1 tablespoon lemon juice
1 tablespoon water
½ teaspoon salt
¼ teaspoon ground black pepper