The Secret Ingredient (Parsley): Spaghetti with Parsley Pesto Recipe

Cook the spaghetti in salted boiling water until al dente. Drain, and reserve a cup of pasta water. Blast the garlic in the food processor until it’s smashed. Add the parsley, walnuts, Parmesan, olive oil, salt, and pepper. Whiz until it forms a thick paste. Toss the pasta with the pesto, and add reserved pasta water as needed. Serve right away. You can also spoon the pesto over grilled steak.