Place all ingredients in a blender and pulse until smooth and emulsified. Add water if you need to thin out. Store in refrigerator for 3-4 days.
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Notes
Use quality olive oil as part of the taste comes from it.
While store-bought bottles can be quite convenient, they lack in flavor compared to the real thing. It really isn’t that much extra work to freshly squeeze the lime and you’ll notice a difference in flavor.
Puree just until the cilantro starts to break up and the vinaigrette emulsifies. You wants bits of cilantro throughout it.
For a spicy version, add finely chopped jalapeño, including seeds for more heat, or a pinch of red pepper flakes.
If the cilantro vinaigrette is too thick, just add water 1 tbsp at a time.