375g/13oz butternut squash, peeled and cut into 3cm/1录in chunks
1 onion, finely chopped
100g/3陆oz frozen spinach (2 cubes)
200g/7oz coconut cream or 400g tin coconut milk, not shaken
3 tbsp medium Indian curry paste, such as tikka masala or rogan josh
1 tbsp vegetable or sunflower oil
100g/3陆oz frozen peas