Hearty Lentil, Chickpea and Vegetable Soup

Ingredients

• • 1 zucchini, diced
  • 1 red bell pepper, seeded and diced
  • 2 tbsp (30 ml) olive oil
  • 2 garlic cloves, chopped
  • 1 tsp (5 ml) harissa
  • 1/4 tsp ground cumin
  • 1/4 tsp turmeric
  • 4 cups (1 litre) vegetable broth
  • 2 cups (500 ml) water
  • 1 cup (190 g) dried red lentils, rinsed and drained
  • 1 can (14 oz/398 ml) chickpeas, rinsed and drained
  • 6 cups (140 g) baby spinach, coarsely chopped (see note)
  • 4 cans (99 g each) oil-packed tuna, drained (optional) (see note)