1. Combine the cilantro, parsley, lemon juice, water, vinegar, jalapeno and garlic cloves in a high speed blender. Blend until smooth. Use a tamper to press the ingredients into the blade for even emulsification.
Notes
Sauce will last for 5 days in the fridge. 3 months in the freezer. recipe yields about 1 and 1/2 cups of sauce.