
Traditional German sauerbraten is made from a beef joint marinaded for 3-10 days in spiced red wine or vinegar. This easy American version doesn't marinade the meat but uses vinegar and crushed ginger nut biscuits to give the sweet-sour flavour.

450 grams thinly sliced lean beef steak
1 medium onion
14 ginger nut biscuits - ginger snaps
500 ml beef stock
3 tbsp cider vinegar
a splash of Worcester sauce
1-2 bay leaf
salt and pepper to tasteOil for frying.