Peel the potatoes, cut into small pieces and cook in salted water for about 30 minutes, then drain. Melt the butter in the warm milk and add to the potatoes. Pound with the tamper.
Put the puree in a baking dish. Cook the broccoli for about 15 minutes. Put on the puree.
Cut the ham sausage into approx. 1 cm wide slices and stick them vertically into the puree. Sprinkle with the cheese. Bake at 200 ° C (top / bottom heat) for 30 minutes.