Steak with Chimichurri Sauce

Ingredients

• ½ cup flat-leaf parsley, roughly chopped
• ¼ cup cilantro, roughly chopped (optional)
• 4 cloves garlic, peeled
• 1 shallot, peeled and roughly chopped
• 1 teaspoon dried oregano
• 1–2 teaspoons red pepper flakes (start with 1 for mild, 2 for more heat)
• 3 tablespoons red wine vinegar
• 1 teaspoon kosher salt
• ½ teaspoon freshly ground black pepper
• ½ – ⅔ cup extra-virgin olive oil, good-quality