Loosen the meat from the bones and cut into bite-sized bites.
Chop the bones a little and cover with cold water, lightly salt, bring to the boil, simmer gently for 2 hours, strain, pour off the fat, set aside, makes about 250 ml.
In a large bowl, mix the meat with the peeled, quartered potatoes, the onions chopped into coarse pieces, the Parmesan, the thyme and the oil, lightly salt (the Parmesan brings a lot of salt) and spread on a deep baking tray. Switch the oven to 180 ° convection, slide in the tray.
After 30 minutes pour in the red wine and stir everything a little.
After another 30 minutes, add the quartered tomatoes, the chopped garlic and the olives, mix again and pour the lamb stock over, mix again a little, pour plenty of freshly ground black pepper over it.
Serve straight from the tray after another 30 minutes.