1 pack Italian sausage cut into 1 inch pieces
1 onion or 2 leeks, sliced thinly
4 cloves garlic, minced
3 ribs celery, diced
4 carrots, diced
1/2 cup dry white wine
8 cups chicken stock or water
1 cup small pasta like orzo or fregola sardo
2 heads escarole or 2 bags of spinach, roughly chopped
1 lemon, zest and juice
1/2 cup olive oil
10 sprigs parsley, chopped (optional)