Sauerbraten Recipe

Ingredients

• 1/2 cup vinegar
• 1/2 cup water
• 1 onion, sliced
• Salt and pepper
• 1 bay leaf
• 1 clove
• 1 1/2 lbs. beef (shoulder)
• 1 marrow bone
• 2 tablespoons fat
• 1 onion
• 1 tomato
• Sauce:
• 1 tablespoon flour
• vinegar or lemon juice
• pinch of sugar
• salt
• butter
• cream or wine