German Sauerbraten Russian Beef Stroganoff

German Sauerbraten Russian Beef Stroganoff

Ingredients:
4 lbs beef rump roast 1 1/2 lbs chuck steak, cut into 1 1/2in strips
1 1/2 cups vinegar 3 tbs flour
1 cup Coca-Cola 1 tsp salt
3/4 cups water 2 tbs olive oil
3 onions, sliced 2 onions, finely chopped
2 stalks celery, sliced 2 cloves garlic, minced
2 carrots, sliced 1/2 cups Coca-Cola
10 peppercorns 1/4 cups water
10 whole cloves 2 tbs flour
3 bay leaves 1/2 cups water
2 tbs sugar 1 tbs Worcestershire sauce
1 1/2 tsp salt 2 can mushrooms with liquid
3 tbs olive oil 1 cup sour cream

Directions:
Gravy 2 tbs parsley flakes