1 tbsp extra virgin olive oil 1 brown onion, finely diced 2-3 garlic cloves, finely chopped 1 tbsp ras-el-hanout or Moroccan seasoning 1 tbsp harissa paste splash of vegetable stock or water 1 large sweet potato, cut into 3cm pieces 400g can chickpeas, drained and rinsed ½ cauliflower, cut into florets 1 red capsicum, roughly