Butternut Squash Soup Recipe | Food Network UK

Ingredients

• 3 tablespoons extra-virgin olive oil
• 1 onion, thinly sliced
• 4 cloves garlic, smashed
• 2 fresh sage leaves
• 2 teaspoons salt
• Freshly ground black pepper
• 2 medium canned plum tomatoes
• 1 medium butternut squash (about 2 pounds), peeled, halved, seeded, and diced
• 4 cups low-sodium chicken broth or water
• 1 teaspoon balsamic vinegar
• 2 tablespoons freshly grated Parmesan, optional