Grilled Polenta, Mushrooms and Peppers with Shallot Dressing

Ingredients

• Tomato Sauce

  • 1 onion, chopped
  • 2 tbsp (30 ml) olive oil
  • 1 can (28 oz/796 ml) diced tomatoes

• Shallot Dressing

  • 2 shallots, chopped
  • ¼ cup (60 ml) canola oil
  • 2 tbsp chopped flat-leaf parsley
  • 1 tbsp (15 ml) sherry vinegar

• Polenta and Vegetables

  • 1 tube (500 ml) pre-made polenta, cut into slices 1/2 inch (1 cm) thick (see note)
  • 3/4 lb (340 g) portobello mushrooms, cut into slices 1/2 inch (1 cm) thick
  • 3 bell peppers of various colours, seeded and cut into thick strips
  • 8 green onions
  • 3 tbsp (45 ml) olive oil