Harissa cauliflower pilaf

Name: Harissa cauliflower pilaf
Ingredients: 300g basmati rice; 1 red onion, finely sliced; 2 lemons, 1 juiced, 1 cut into wedges; 2 tsp sugar; 4 tbsp harissa; 1 garlic clove, crushed; 1 tbsp olive oil; 1 large or 2 medium cauliflower, broken into large florets, stalk chopped, large leaves roughly chopped; pinch of saffron; 2 bay leaves; 700ml hot vegan vegetable stock; 100g sultanas; 100g flaked almonds, toasted until golden brown; ½ small bunch of dill, chopped, plus extra to serve; 400g can chickpeas, drained and rinsed; 50g pomegranate seeds (optional)