Salsa Verde, Italian Green Sauce - Barbecuebible.com

Ingredients

• 1 to 2 cloves garlic, minced
• ½ teaspoon coarse salt (kosher or sea), or more to taste
• ½ teaspoon freshly ground black pepper
• ½ teaspoon finely grated lemon zest
• ¼ cup fresh lemon juice, or more to taste
• 1 teaspoons cup finely chopped fresh flat-leaf parsley
• 1 tablespoon drained capers, chopped
• 2 anchovies, drained and finely chopped (optional)
• ½ teaspoon hot pepper flakes (optional)
• ¼ cup boiling water
• ¾ cup extra virgin olive oil