Soup

• 2 onions, chopped
• 6 garlic cloves, peeled and halved
• 2 tbsp (30 ml) olive oil
• 6 cups (900 g) sweet potatoes, peeled and diced (2 to 3 potatoes)
• 6 cups (1.5 litres) chicken broth

Toppings

• 16 small pearl onions, peeled
• 1 tbsp (15 ml) olive oil
• 8 thin slices pancetta
• 1/4 cup (60 ml) sour cream
• 3 tbsp roasted pecans, coarsely chopped
• 3 tbsp chives, finely chopped