Peel potatoes, cut into large slices, boil in salted boiling water for 20 minutes. Drain the water, mash the potatoes with a potato masher. Warm milk, add 1 tbsp. l. butter, stir, pour into potatoes, mix thoroughly.
Peel the broccoli, rinse, divide into inflorescences, blanch in boiling salted water for 5 minutes. Drain the water, pat dry the broccoli. Heat the remaining oil in a frying pan, fry the minced meat over high heat (5 minutes).
Peel the onion, cut into cubes, add to the minced meat along with the tomato paste, mix. Pour in the broth and cook for 5 minutes. on low fire. Season with salt, pepper and oregano. Wash the tomatoes, cut into circles. Put minced meat and chopped tomatoes in the center of a greased refractory form, place broccoli around.
Place the potato mass in a pastry bag with a curly tip and squeeze the potato roses onto the stuffing. Heat the cream, melt the melted cheese in them, add chopped herbs, season with salt, pepper and nutmeg.
Preheat the oven to 200ºС. Pour sauce over moussaka, sprinkle with parmesan and bake in the oven for 30 minutes.