Roast Beef A La Stroganoff

Ingredients

50 gr celery
5 ml soy sauce
1 onion
350 ml beef bouillon
40 gr mushrooms
240 ml sour cream
55 gr butter
450 gr thinly roast beef
65 gr flour

Instructions

Cook celery, onion and mushrooms in butter until tender. Stir in flour and soy sauce. Add bouillon; cook, stirring until thickened. Stir in sour cream. Add beef and heat through. Serve with hot cooked rice or noodles. ----