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.