Tuscan Chicken Soup

Name: Tuscan Chicken Soup
Prep time: 25 min
Cook time: 1 h
Total time: 1 h 25 min
Cuisine: European, Italian, Mediterranean
Ingredients: 2 tbsp olive oil; 1 onion ((peeled and minced)); 2 cloves garlic ((peeled and minced)); 2 sprigs fresh thyme; 4 stalks celery ((diced)); 4 medium carrots ((peeled and chopped)); 3 medium potatoes ((peeled and diced)); 2 32 oz + 3 cups good-quality chicken stock; 1 tsp salt; 1 tsp pepper; 1 15 oz cans cannellini beans ((washed and drained)); 2 rotisserie chickens ((shredded)); 2 8 oz packages spinach; fresh parsley ((chopped)); finely grated pecorino romano cheese