Randomly pierce the surface of the roast with a sharp knife. In a Dutch oven, brown roast on all sides in hot oil. In a mixing bowl, combine remaining ingredients and mix well. Pour sauce over roast and bring to boil. Reduce heat, cover and simmer 2 hours or until pork is fork-tender. Baste roast with sauce during cooking time. Remove pork from pan cool slightly and slice or chop to serve.