Grilled eggplant stuffed with chickpeas - La Milanaise

Ingredients

• 2 eggplants, about 450 g (1 lb) each
• 1/4 cup (60 ml) olive oil
• 1 whole tomato
• 1 small head of garlic, unpeeled
• 2 teaspoons (10 ml) harissa
• 1 teaspoon (5 ml) ground cumin
• 1 teaspoon (5 ml) ground coriander
• 1 teaspoon (5 ml) paprika
• 1 pinch of ground cinnamon
• Pomegranate seeds (optional)
• Mint leaves, for serving
• 1 small confit lemon, rind chopped
• 540 ml Organic Chickpeas (garbanzo)
• 1 tablespoon (15 ml) tahini
• 1 tablespoon (15 ml) water
• 3 tablespoons (45 ml) plain yogurt