Yield: 10 Servings
|4 pounds||Rump Roast; Beef, Boneless|
|2||Onions; Thinly Sliced|
|1 cup||White Vinegar; Mild|
|½ cup||Cider Vinegar|
|¼ cup||Vegetable Oil|
|2 cups||Water; boiling|
|½ cup||Sour Cream|
|1 tablespoon||Unbleached Flour|
Place the beef roast in a deep ceramic or glass bowl. Add onions, peppercorns, cloves, and bay leaf. Pour white vinegar and cider vinegar over the meat; chill, covered, for 4 days. Turn meat twice each day. Remove the meat from the marinade, dry it well with paper towels, and strain the marinade into a bowl. Reserve onions and 1 cup marinade. In a Dutch oven brown the meat on all sides in hot vegetable oil. Sprinkle meat with salt. Pour boiling water around the meat. sprinkle in crushed gingersnaps, and simmer covered for 1½ hours. Turn often. Add 1 cup of reserved marinade and cook meat 2 hours or more, until tender. Remove the meat and keep it warm.
Strain the cooking juices into a large saucepan. In a small bowl mix sour cream with flour. Stir it into the cooking juices and cook, stirring, until sauce is thickened and smooth. Slice meat in ¼ inch slices; add to hot gravy. Arrange meat on a heated plater and pour extra sauce over it.