Slow cooked pork with a miso maple glaze

pork shoulder 80.0% , water 10.6% , glucose syrup 4.7% , red chili pepper 2.4% , sugar 1.2% , broad bean 0.6% , rice vinegar 0.3% , soya bean 0.1% , maple syrup 0.1% , salt 0.0% , soya bean 0.0% , onion 0.0% , sunflower oil 0.0% , corn flour 0.0% , red miso paste 0.0% , garlic 0.0% , brown sugar 0.0% , ginger 0.0% , mirin 0.0%