Clean and wash the cauliflower and divide it into small florets. Peel and finely chop the ginger. Peel and finely chop the onion. Wash, quarter, seed and chop the tomatoes.
Roast the lentils in a saucepan without fat for approx. 4 minutes while stirring continuously. Put into a sieve, rinse and put back into the pot. Add approx. 900 ml water, fat and 1 1⁄2 TL salt and bring to the boil. Covered lentils and cook over medium heat for 20-30 minutes until very soft.
Heat the oil in a pot. Fry the mustard seeds briefly. Add ginger, onion, turmeric, cumin, garam masala and chilli. Stir-fry for approx. 30 seconds. Add the cauliflower and fry for approx. 3 minutes.
Add the tomatoes and fry for 1-2 minutes.
Add the cauliflower mix to the lentils about 10 minutes before the end of the cooking time and cook along. Season the dal with lemon juice. Wash the coriander, shake dry, pluck the leaves and sprinkle over the lentils.
Basmati rice tastes good with it.