Clean and wash the cauliflower and broccoli and divide into florets. Boil up about 1/2 l water, dissolve broth in it. Cook the vegetables for about 10 minutes.
Heat the oil. Fry the minced meat thoroughly while turning. Peel onion, dice finely and sauté. Season with salt and pepper
Drain the vegetables and collect the broth. Heat the fat and sweat the flour in it. Add stock and milk and simmer for about 5 minutes. Grate cheese and let half of it melt in the sauce. Season to taste with salt, pepper and nutmeg
Put the vegetables in an ovenproof dish. Spread minced meat over it and pour the sauce over it. Sprinkle with remaining cheese. Bake in a preheated oven (electric cooker: 200 °C/circulating air: 175 °C / gas: level 3) for approx. 20 minutes. Wash and chop the parsley and sprinkle over the casserole
Drink: cold beer