Minestronie Hamburger Soup

Ingredients

1 pound beef
1 onion
2 potatoes
2 slices carrots
2 slices stalks celery
28 oz tomatoes
1 cup cabbage
1 bay leaf
1/4 teaspoon leaf thyme
1/4 teaspoon leaf basil
1 teaspoon salt
1/4 teaspoon pepper
1 mozzarella cheese

Instructions

Serves 6