Minestrone with Sausage and Pesto

Ingredients

• 1 tablespoon olive oil
• 1 pound Italian sausage, casings removed
• 1 large onion, diced
• 3 cloves garlic, minced
• 2 carrots, diced
• 2 stalks celery, diced
• 1 zucchini, diced
• 1 can (14.5 oz) diced tomatoes
• 1 can (15 oz) cannellini beans, drained and rinsed
• 4 cups chicken broth
• 2 cups water
• 1 cup small pasta (such as ditalini or elbow)
• 1 teaspoon dried oregano
• 1 teaspoon dried basil
• Salt
• pepper
• 1 cup baby spinach, roughly chopped
• 1/2 cup prepared pesto sauce
• Grated Parmesan cheese, for serving