Chimichurri is an Argentinian sauce made with olive oil, red wine vinegar, garlic, fresh herbs, and spices. This uncooked, super fresh and vibrant sauce can be used as a marinade, dipping sauce, or condiment to drizzle over meat.
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In a food processor, combine the parsley, vinegar, garlic, oregano and crushed red pepper. Process until smooth; season with salt and pepper. Transfer the sauce to a bowl and pour the olive oil over the mixture. Let stand for at least 20 minutes.