My Go-To Vegetarian Minestrone Soup

Ingredients

• 2 tablespoons olive oil
• 1 large onion, diced
• 2 cloves garlic, minced
• 2 medium carrots, diced
• 2 celery stalks, diced
• 1 medium zucchini, diced
• 1 cup green beans, trimmed and cut into 1-inch pieces
• 1 can (14 oz) crushed tomatoes
• 6 cups vegetable broth
• 1 can (15 oz) cannellini beans, drained and rinsed
• 1 teaspoon dried oregano
• 1 teaspoon dried thyme
• Salt and pepper to taste
• 1 cup small pasta (e.g., ditalini or macaroni)
• 1 cup fresh spinach, chopped
• Grated Parmesan cheese for serving (optional)