Lentil and Swiss chard soup

Ingredients

• 1 bunch of swiss chard, washed and roughly chopped
• ¾ cup green lentils, picked from stones and rinsed
• 2 potatoes, peeled and diced
• 2 medium onions, peeled and sliced
• ½ bunch fresh coriander, roughly chopped
• 4 garlic cloves, peeled and crushed
• 30 ml extra virgin olive oil
• ½ tsp ground cinnamon
• Juice of two lemons
• Salt to taste
• 1.7 litres water