Wakula's First Attempt at Vegetable Stew

2 tablespoons butter

1 large yellow onion, chopped

2 bunches leeks, chopped

1 clove elephant garlic, chopped

4 stalks celery, chopped

3 large carrots, chopped

1 ½ quarts vegetable broth

1 (29 ounce) can tomato sauce

1 (15 ounce) can black beans

½ head Chinese cabbage, cored and shredded

4 large potatoes

1 tablespoon dried oregano

2 teaspoons dried basil

1 teaspoon freshly ground black pepper

¼ teaspoon celery salt

1 dash ground cayenne pepper

2 bay leaves

grated Parmesan cheese to taste