Ingredients
- 1 medium size rump roast
- 1 large onion diced
- 8 oz red wine vinegar
- 4 cups beef stock
- 2 carrots diced
- 3 celery stalks diced
- 10 peppercorns
- 3 bay leaves
- 2 cloves garlic minced
- 1 stick butter
- 1/2 cup flour
- 4 gingersnap cookies ground fine (optional)