Sauerfleisch (Boeuf a la Mode)

• 2 pounds beef
• 1 each onions chopped
• 1 x marinade

1. Prepare the marinade.
2. Soak the meat in it for 2 days.
3. Then remove the meat from the marinade and again bring the marinade to a boil.
4. Add the meat again and cook for 1 1/2 to 2 hours.
5. Meanwhile, in a large pot, prepare a dark roux of the fat and flour.
6. Add the chopped onion.
7. Gradually add enough hot marinade to obtain a thick gravy.
8. Season to taste with salt, a bit of sugar, and lemon.
9. Let the cooked, sliced meat briefly steep in the gravy before serving.
10. Serve with potato dumplings or bread dumplings.

beef, onions, marinade

Taken from recipeland.com/recipe/v/sauerfleisch-boeuf-mode-47719 (may not work)