Sauerbraten

• 2 big onions rings (cut into)
• 2 big onions (chopped)
• 1 bay leaf
• 1 carrot
• 1/2 l vinegar
• 1/4 l broth
• 1,500 gr beef (lean)
• 120 ml sour cream
• 100 gr raisins
• 30 ml oil