Roughly grate the carrots, cut the onions into fine wedges, grate the ginger, finely dice the pineapple.
Boil the lentils in a liter of water for 15 minutes, season with salt and broth.
Heat oil, sauté ginger, onions and carrots for 10 minutes, add pineapple, simmer for another 5 minutes. Add half of the cooked lentils, puree, add water (as required and to your liking), season with coconut milk, salt, pepper and chilli. Add the rest of the lentils.