Wash the potatoes and cook for 15-20 minutes in boiling water. Then rinse with cold water, peel and leave to rest. In the meantime clean and wash the beans and cut them into bite-sized pieces. Cook in boiling salted water for about 20 minutes, drain.
Clean and wash the zucchini, peppers and tomatoes. Cut the zucchini into thin slices, the peppers and tomatoes into pieces. Peel garlic and press it through a garlic press. Heat the oil. Fry garlic, zucchini and bell peppers in it.
Season with salt, pepper and dried rosemary. Push the vegetables aside, add the minced meat and fry over a high heat for about 7 minutes. Stir in tomato paste, dust with flour. Season with salt and cayenne pepper.
Deglaze with broth, add tomatoes, simmer for 5 minutes. Cut potatoes into slices. Mix the prepared minced potatoes and beans. Fill the mincing pan and potato slices into a casserole dish. Finely dice the feta cheese and sprinkle over it.
Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 10-15 minutes. Serve garnished with rosemary.