Abruzzo Summer Minestrone

Name: Abruzzo Summer Minestrone
Ingredients: 3 tablespoons unsalted butter; 3 cloves garlic, minced; 1 white or yellow onion, chopped; 1 carrot, sliced; Kosher salt and freshly ground black pepper; 4 cups low-sodium chicken broth; 3 cups roughly chopped Swiss chard leaves; 4 ounces small pasta shells (about 1 heaping cup); 4 ounces green beans, cut into 1-inch pieces (about 1 cup); 1 teaspoon dried oregano; One 16-ounce jar tomato and sausage pasta sauce; One 15-ounce can cannellini beans, rinsed and drained; 1 yellow summer squash, sliced into half-moons; 1 zucchini, sliced into half-moons; 1/4 cup fresh basil leaves, torn; Freshly grated Parmesan, for serving