1/2 cup red wine vinegar 1 teaspoon sea salt 3 cloves garlic 1 small shallot 1 red jalapeno pepper (no seeds) or 1 teaspoon crushed red chili flakes 2 cups fresh cilantro 1 cup flat-leaf parsley 3/4 cup olive oil
Combine all ingredients except olive oil in a blender. Drizzle in olive oil while blending on medium. Turn up to high and blend to your preference. Salt if necessary. Serve steak with chimichurri sauce on top.