Slow Roasted Pork Shoulder

Preheat the oven to 400°. Place the Pork shoulder in the Dutch oven, toss sliced onion on the top of pork shoulder.  Roast uncovered for 10 minutes. Turn the oven heat down to 250° and add 1/2 cup of red wine and 2 tbls of lite color soy sauce. Cover the Dutch oven  and slow roast for 4 hours, then raise the temperature to 375°, uncover continuing roasting for another 30 minutes.