Zucchini, Sweet Corn, and Basil Penne with Pine Nuts and Mozzarella

Fine sea salt
3/4 pound good-quality dried penne
2 tablespoons extra-virgin olive oil
1 small red or yellow onion, thinly sliced
2 large garlic cloves, minced
2 medium zucchinis, cut into 1/4-inch by 3-inch sticks
Kernels from 2 ears fresh corn
1/4 teaspoon crushed red pepper flakes
1 tablespoon unsalted butter
1 cup loosely packed fresh basil leaves, coarsely chopped
1/4 cup toasted pine nuts
2 ounces mozzarella cheese, torn into bite-size pieces
2 to 3 tablespoons freshly squeezed lemon juice
Freshly shaved parmesan cheese, for garnish
Your best extra-virgin olive oil, for garnish
Lemon wedges, for serving (optional)

Bring a large pot of water to a boil and salt it generously (add 1 tablespoon of salt for every 4 quarts). Cook the penne according to package instructions until just shy of al dente, about 10 minutes. Drain the pasta, reserving at least 2 cups pasta water for the sauce.

Heat the oil in a large, deep skillet or Dutch oven over medium heat. Add the onion and cook, stirring occasionally, until it starts to brown lightly, about 5 minutes. Add the garlic and cook, stirring constantly, until it becomes fragrant, 30 seconds. Add the zucchini, turn the heat up to high and cook, stirring occasionally, until the zucchini softens, 6 to 8 minutes. (You will need to add up to 1 cup of the reserved pasta water, a little at a time, as the zucchini cooks and becomes dry and sticks to the pan.) Adjust the heat to medium and add the corn, 1/2 teaspoon of salt, red pepper flakes, and butter. Cook, stirring occasionally, for 2 minutes more. Add the penne and 1/2 cup of the pasta water and stir well to incorporate. Cook, stirring often, until the pasta is well coated and the sauce has thickened, about 2 minutes. Turn off the heat and add half of the basil, the pine nuts, and the mozzarella. Add the lemon juice to taste and stir well to incorporate.

Scoop the penne into individual shallow bowls, making sure to evenly distribute the zucchini and corn. Top with the remaining basil, a fresh shaving of parmesan, and a drizzle of your best extra-virgin olive oil. Serve with lemon wedges, if you wish.

Excerpted from The Vegetable Butcher by Cara Mangini, photographs by Matthew Benson. Workman Publishing © 2016.