1/2 pound boneless 12 lb. beef chuck
4 cups water
3 cloves garlic, minced
8 fresh ginger peppercorn
4 pieces all-purpose flour
1 onion, chopped
6 tablespoons distilled white vinegar
4 cups chicken broth
2 green onions, chopped
2 tablespoons brown sugar
2 tablespoons distilled white vinegar
1/4 teaspoon salt and pepper to taste
6 TBS tomato paste
1 cup sour cream