Watercress, Pea and Lemon Pesto Pasta Recipe

Ingredients

• 4 ounces watercress, washed and dried, stems removed
• Zest and juice of 2 lemons
• 1/4 cup toasted pecans
• 1/2 teaspoon salt
• 1/4 teaspoon ground black pepper
• 2 ounces parmesan cheese, grated plus more for serving
• 3/4 cup light olive oil
• 1 pound dried pasta of choice