Sauerbraten - cooking recipe

Ingredients

2 lb. beef chuck or shoulder
1 1/2 c. red wine vinegar
2 bay leaves
2 Tbsp. black peppercorns
2 large onions
1/2 lb. potatoes
2 Tbsp. oil
salt
1 c. beef bouillon
2 Tbsp. sour cream (normal fat content)
1/3 c. chopped chives

Preparation

Wash and pat dry the meat.
Put it in a high, not very wide, bowl.
Pour in enough vinegar to just cover the meat.
Add bay leaves and black peppercorns; let marinate, covered, in the refrigerator for approximately 2 days.
Turn the meat at least once.