Root Vegetable Minestrone

Name: Root-Vegetable Minestrone
Ingredients: ¼ cup extra-virgin olive oil; 1 onion (small finely chopped); 1 clove garlic (minced); 1 sprig rosemary (small); 2 carrots (sliced 1/4 inch thick); 2 parsnips (sliced 1/4 inch thick); 3 broccoli stems or 1 kohlrabi (peeled and sliced 1/4 inch thick); 1 pound butternut squash (3 cups cubed, peeled and cut into 3/4-inch dice); 6 cups low-sodium chicken broth; Salt; Freshly ground black pepper; 4 ounces angel hair pasta (broken into 1-inch lengths); 1 cup frozen baby lima beans; ½ cup pecorino cheese (freshly grated, plus more for serving)