Cabbage Soup With Ham with butter

3 tablespoons butter 1 tablespoon olive oil 8 cups thinly sliced cored green cabbage 1 large onion , chopped 8 large fresh thyme sprigs 6 cups chicken broth 1[...]

1 large head of cabbage 2 quarts beef stock 2 tablespoons butter 1 1/2 cups onions , chopped 1 cup carrot , chopped 2 cups celery , chopped 1 teaspoon salt 1[...]