Gemelli with Tomato Sauce, White Beans, Fennel and Sausage

Ingredients

• • 3/4 lb (340g) gemelli or other short pasta
  • 1 fennel bulb, stalks removed, cut into thin wedges
  • 1 large onion, cut into thin wedges
  • 1/4 cup (60 ml) olive oil
  • 2 garlic cloves, finely chopped
  • 1/2 cup (125 ml) white wine
  • 3 cups (750 ml) tomato sauce
  • 1 can (14 oz/398 ml) white beans, rinsed and drained
  • 1/4 cup (10 g) fresh parsley, finely chopped
  • 4 Toulouse or Italian sausages, poached and cut in half lengthwise (optional)
  • Freshly grated Parmesan cheese, to taste