5 mild italian style sausage casings removed or 1/2 - 3/4 lbs bulk italian sausage |
1 large yellow onion coarsely chopped |
4 clove(s) garlic finely minced |
2 carrots peeled and cut into 1/2 inch rounds |
2 celery stalks rinsed and cut into 1/2 inch chunks |
2 tablespoon(s) butter |
2 tablespoon(s) olive oil |
4 can(s) northern white beans drained |
8 cup(s) chicken stock |
1 1/2 cup(s) diced tomato (one) can |
2 cup(s) roughly chopped escarole (or mustard or collard greens) |
salt and pepper to taste |
1 cup(s) parmesan cheese freshly grated |