Onions peel and roughly chop. Clean, peel and dice the carrots. Dab meat dry. Heat oil in a roasting pan. Brown the meat in it in portions, season with salt and pepper and remove.
Fry the onions and carrots in the frying fat. Add tomato paste and flour and sauté briefly. Add meat again, deglaze with wine and stock. Cover and stew for about 1 1/2 hours
Wash the potatoes and cook in boiling water for about 20 minutes. Drain, rinse with cold water and peel. Dice Camembert roughly. Cut potatoes into thick slices, mix with camembert and butter in flakes. Put the stew in an ovenproof casserole dish and spread the potato mixture on top. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for approx. 30 minutes