Green Goddess Pasta

Ingredients

• 1 ripe avocado, peeled and pitted
• 1 cup fresh basil leaves, packed
• 1/2 cup fresh parsley leaves, packed
• 1/4 cup fresh tarragon leaves (or substitute with more basil if unavailable)
• 3 tablespoons fresh chives, chopped
• 2 cloves garlic, peeled
• 1/4 cup Greek yogurt (or sour cream)
• 3 tablespoons extra virgin olive oil
• 2 tablespoons fresh lemon juice
• 1 tablespoon white wine vinegar
• 1 teaspoon anchovy paste (optional, omit for vegetarian)
• 1/2 teaspoon sea salt, plus more to taste
• 1/4 teaspoon freshly ground black pepper
• 12 ounces pasta (such as fettuccine, linguine, or penne)
• 1/2 cup pasta cooking water, reserved
• 1/2 cup fresh peas (or thawed frozen peas)
• 1 cup baby spinach leaves, roughly chopped
• 1/4 cup grated Parmesan cheese, plus more for serving
• 2 tablespoons pine nuts, toasted
• Zest of 1 lemon
• Red pepper flakes, to taste (optional)
• Additional fresh herbs for garnish