Yield: 4 servings (serving size: 1 1/2 cups pasta and 2 tablespoons cheese)
As they mature in the summer's heat, arugula leaves get hot and spicy as well as plentiful and cheap. Even when cooked, they have an assertive personality, a good match for the whole-wheat spaghetti.
If you ever see a salad green referred to as "rocket," it's simply another name for arugula, or roquette in French. Yet another brassicaceae along with kale and cauliflower, its delightfully pungent leaves have been cultivated in the Mediterranean since time was recorded. As such, arugula is a perennial favorite in Italian cooking.