Heat 2 tbsp olive oil in a large pan.  Add 2 medium sized sliced onions & fry for 10 minutes, stirring occasionally.  Add ½ tsp cumin seeds & cook for 1 min.  Add about 500g shredded cabbage & cook until tender.  Add ¼ tsp chilli powder, 1 tsp garam masala, salt and pepper.  Cook for 3-4 minutes, continue stirring.  Serve immediately.  A squeeze of lemon juice is a good addition.