Wash the zucchini, blanch for about 10 minutes, rinse with cold water and cut off the ends. In the meantime peel and finely dice the onion. Peel and clean the carrots and cut them into small cubes. Peel garlic and chop finely. Heat oil in a pan.
Sauté carrots and onions for 2-3 minutes. Wash the herbs, dab dry and chop the leaves finely, except for 2 marjoram stalks. Add the minced meat and fry. Add tomato paste and garlic, fry, then add tomato pieces and juice and simmer for about 5 minutes. Season minced meat with salt, pepper and a little paprika powder. Add herbs to the minced meat sauce. Cut the zucchini into a fan shape, the thinner end should hold the fans together. Put the zucchini in 1-2 casseroles and spread the sauce between the compartments. Slice parmesan and pour over the courgettes.
Season minced meat with salt, pepper and a little paprika powder. Add herbs to the minced meat sauce. Cut the zucchini into a fan shape, the thinner end should hold the fans together. Put the zucchini in 1-2 casseroles and spread the sauce between the compartments. Slice parmesan and pour over the courgettes. Bake the zucchini in a preheated oven (electric cooker: 225 °C/ convection oven: 200 °C/ gas: level 4) for approx. 5 minutes on the top shelf