First, pound the meat, score the fat edge, season with salt and pepper.
Flour one side and fry with this side at the beginning in very hot fat.
After about 3 minutes, quickly fry the other side for 2-3 minutes until tender. Remove the meat and keep it warm.
Deglaze the frying residue with a little soup, mix well and pour over the Beiried.
Peel onion, cut into strips or slices, fry in a pan with hot butter until crispy brown.
Arrange the meat and serve topped with onion rings.