Wash the potatoes thoroughly. Cook in boiling water for 30-35 minutes. Peel garlic and dice finely. Clean, peel and wash the carrots and cut into small cubes. Clean and wash spring onions and cut into fine rings.
Heat 1 tablespoon of oil in a saucepan and sauté the carrots, onions and garlic. Add tomato paste and herbs and briefly sauté. Add the canned tomatoes and chop coarsely with a spatula.
Add 250 ml water, bring to the boil and stir in the stock. Simmer at low heat for about 5 minutes. Heat 1 tablespoon of oil in a frying pan, fry the mince in it until crumbly, season with salt and pepper.
Add 1/3 of the sauce to the mince. Season tomato and minced meat sauce with salt and pepper. Drain potatoes, rinse with cold water and peel. Cut off the top of the potatoes. Scoop out some of the potatoes with a teaspoon.
Dice the potato lid and the inside of the potatoes and stir into the minced sauce. Put the tomato sauce in an ovenproof dish and place the potatoes on top. Fill with the sauce and sprinkle with cheese. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 15 minutes.
Serve garnished with basil.