Clean and wash the cauliflower and divide it into florets. Cook for ten minutes in boiling salted water. Roast pine nuts in a pan without fat until golden brown. Take them out. Peel and finely dice onion. Fry in hot fat until transparent. Add red lentils and steam briefly.
Add stock and cook for five minutes. Drain cauliflower and let it drain well. Add raisins and pine nuts to the lentils. Add vinegar and oil. Season to taste with salt, pepper and coriander. Pour marinade over the cauliflower, sprinkle with coriander leaves and serve lukewarm