Red cabbage, cauliflower & coconut dhal

Name: Red cabbage, cauliflower & coconut dhal
Prep time: 20 min
Cook time: 1 h 10 min
Total time: 1 h 30 min
Cuisine: Asian, Indian
Ingredients: 1 small cauliflower broken into small florets; 2 tbsp rapeseed oil; 1 onion finely chopped; 200g red cabbage sliced; thumb-sized piece of ginger peeled and grated; 2 garlic cloves crushed; ½ tsp chilli powder; ½ tsp turmeric; 1 tsp garam masala; 1 tsp black mustard seeds; small handful of curry leaves; 300g split red lentils; 1.25 litres hot low-salt vegetable stock; 1 lime juiced; 2 tbsp coconut flakes, toasted; coriander leaves and chopped chilli, to serve (optional)