Place pork mince, hoisin and cornflour into a large mixing bowl. Stir to combine. Sit for 10 minutes.
To make the sauce, place half of the pineapple into the Thermomix bowl. Chop 5 sec/speed 7. Cook 15 min/80°C/speed 1. Puree 10 sec/speed 10.
Add soy sauce, oyster sauce and rice wine vinegar. Cook 8 min/Varoma/speed 1.
Soften Hokkien noodles as per packet instructions. Set aside.
Pour EVOO into a wok and wait until hot, add remaining pineapple pieces and fry until golden brown. Remove and set aside. Add onion and garlic, fry for a few minutes, add capsicum and cook for 2 minutes. Add pork mince and cook for 5 minutes.
Add sauce and continue cooking until pork is cooked through.
Add pineapple and spring onions and toss through the noodles. Serve immediately.