Wash porcini and soak in 1/8 litre water. Wash the potatoes, bring to the boil covered with water and cook for 15-20 minutes. Peel, wash and halve carrots. Clean the Romanesco, cut into florets and wash. Put vegetables in boiling salted water and cook for 8-10 minutes. Drain potatoes, peel and halve.
Peel and finely chop the onion. Pour the porcini mushrooms onto a sieve, collecting the liquid. Drain vegetables, collect vegetable water and measure 1/2 litre. Heat the fat in a pot. Brown onions and mushrooms in it. Add flour and sauté. Boil up with wine, mushroom and vegetable water while stirring. Refine with cream. Season to taste with salt and pepper. Put the vegetables and potatoes in an ovenproof dish. Pour sauce over it.
Add flour and sauté. Boil up with wine, mushroom and vegetable water while stirring. Refine with cream. Season to taste with salt and pepper. Put the vegetables and potatoes in an ovenproof dish. Pour sauce over it. Sprinkle with cheese and almonds. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 10 minutes and serve