Peking Roast
["3 to 5 lb. roast beef (chuck)", "2 Tbsp. slivered onions", "2 cloves sliced garlic", "1 c. vinegar", "water to cover", "2 c. strong coffee (black)", "2 c. water", "salt and pepper to taste"]
["With a sharp knife, cut slits in roast and insert slivers of onions and garlic. Place roast in a large bowl; pour 1 cup vinegar over roast and add enough water to cover. Store in refrigerator overnight."]
["beef", "onions", "garlic", "vinegar", "water", "coffee", "water", "salt"]