Cut the meat into cubes, peel, quarter, deseed and dice the tomatoes. Peel and dice the potatoes. Peel and slice the carrots. Peel and crush the garlic, peel and slice the onions. Heat the oil in a pan, sear the meat, remove and season with salt and pepper. Sauté the vegetables in the hot oil and deglaze with the soup. Add the bay leaves and meat and simmer over a medium heat for approx. 30 minutes. Dice the sausage and add 5 minutes before the end of the cooking time. Flavour the stew with salt and pepper.