Grilled vegetable salad à la grecque

Grilled vegetables:

• 4 zucchinis, cut into 1 cm (3/8 in.) slices
• 2 red bell peppers, cut into wedges
• 2 yellow bell peppers, cut into wedges
• 2 red onions, cut into 1 cm (3/8 in.) slices
• 8 tomatoes, cut into wedges
• 30 ml (2 tbsp) olive oil
• Salt and freshly ground black pepper

Vinaigrette:

• 15 ml (1 tbsp) French shallot, thinly sliced
• 2 garlic cloves, finely chopped
• 80 ml (1/3 cup) olive oil
• 45 ml (3 tbsp) red wine vinegar
• 15 ml (1 tbsp) dried oregano
• Salt and freshly ground black pepper

Garnish:

• 250 ml (1 cup) feta cheese, diced
• 125 ml (1/2 cup) Kalamata olives, pitted