Lemony Lentil Soup

Ingredients

• 1 tbsp (15 mL) olive oil
• 3 cloves garlic, coarsely chopped
• 9 oz (250 g) onions, coarsely chopped
• 9 oz (250 g) red lentils, rinsed and drained
• 5 cups (1.2 litres) chicken or vegetable stock
• 1 tsp (5 mL) ground coriander
• 1/2 tsp (2 mL) ground cumin
• 1 Juice of 1 lemon
• 4 wafer-thin slices of lemon
• to taste Salt and black pepper