Heat oil in a pan. Season the meat cubes with salt, pepper and paprika powder and fry well. Add tomato paste and fry with it, deglaze with chicken stock and simmer for 6 minutes over low heat.
Pluck thyme from the stalks and finely chop. Drain the chanterelles and add to the meat with the mushroom slices, peppercorns and thyme and simmer for about 10 minutes.