Wash the potatoes and cook in boiling water for about 20 minutes. Peel onions and garlic and dice finely. Wash oregano and rosemary, dab dry. Put something to garnish aside, chop the rest. Heat oil in a pan and fry the minced meat in it until crumbly. Add onions and garlic and fry briefly.
Add tomato paste and sauté. Season with salt, pepper and cinnamon. Deglaze with chunky tomatoes, bring to the boil and simmer for about 5 minutes. Drain the potatoes, rinse with cold water and peel. Let cool for 10 minutes, then cut into slices. Wash, clean and slice the tomatoes. Wash and clean the zucchini and cut them lengthwise into thin slices. Heat the fat in a saucepan. Dust with flour and sweat on. Deglaze with milk and broth while stirring and bring to the boil. Season with salt and pepper. Put half of the potatoes and the minced meat mixture into an ovenproof dish.
Wash and clean the zucchini and cut them lengthwise into thin slices. Heat the fat in a saucepan. Dust with flour and sweat on. Deglaze with milk and broth while stirring and bring to the boil. Season with salt and pepper. Put half of the potatoes and the minced meat mixture into an ovenproof dish. Add half of the tomatoes. Layer the remaining potatoes and minced meat on top. Put zucchini slices on top and add the rest of the tomatoes. Spread the sauce over it and sprinkle with parmesan. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 40 minutes. Garnish with remaining herbs before serving
Add half of the tomatoes. Layer the remaining potatoes and minced meat on top. Put zucchini slices on top and add the rest of the tomatoes. Spread the sauce over it and sprinkle with parmesan. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 40 minutes. Garnish with remaining herbs before serving