Ingredients

1 cup walnut pieces

2 cups cilantro leaves, stems removed

1 jalapeno pepper, seeded and chopped

1/2 teaspoon coarse salt, plus more for seasoning if necessary

1 tablespoon cider vinegar

1/4 cup purified water

Preparation

Place walnuts in the bowl of a food processor; process until fine. Add cilantro, jalapeno, salt, vinegar, and 2 tablespoons of water; blend to make a thick sauce, adding in water a tablespoon at a time, if necessary. Taste, and correct seasoning with salt, if necessary. Store refrigerated in an airtight container.