Heat the oil in a frying pan over a high heat and add the pork chunks. Brown on all sides. Sift the cornflour over the pork, turning to coat. Place the pork in the slow cooker (I used a 3.5 litre).
1 tbsp olive oil, 500 g lean pork, 2 tsp cornflour
Place the pineapple and juice in the slow cooker with the pork, and add the vinegar, sugar and soy sauce.
227 g can of pineapple chunks in juice, 4 tbsp white wine vinegar, 50 g soft light brown sugar, 1 tbsp light soy sauce
Add the onion, carrot and peppers, stir to combine and turn the slow cooker on high for 4-5 hours.
1 onion, 1 large carrot, 1 yellow and 1 red pepper
Toast the cashew nuts, if using, in a dry frying pan until golden and evenly coloured. Scatter the toasted cashews and coriander leaves over the pork.
75 g unsalted cashew nuts, Small bunch of coriander