Start by preparing all your ingredients. This will speed up and simplify cooking and it allows you to prep in advance if needed.
In one bowl add you chopped onion, pepper, ginger and crushed garlic
In another bowl add you small chunks of chicken breast. I cut the breasts in three, lengthways and then chop each length in to small chunks.
Be sure to thoroughly clean your utensils, surfaces and hands after handling raw chicken.
Then take your pineapple and using a serrated knife slice into two halves, lengthways to create roughly even halves.
Run a sharp knife around the inside edge of the pineapple skin - leave a few mm of pineapple on the skin so that your pineapple keeps its shape and creates two boats/bowls to serve in.
Run a sharp knife down the centre of the pineapple. From a few mm below top to a few mm above the bottom creating two halves to the inner fruit. You can create quarters by running your knife horizontally across the pineapple which might make scooping out easier.
Using your spoon/ice cream scoop you want to carefully transfer all the pineapple fruit and juice in to a bowl. This is easier to show so I’d encourage you to watch the video below before from 20 seconds in.
Set your pineapple boats/bowls aside and now chop your pineapple into chunks removing the hard core first.
In a separate bowl you are going to make your sauce. Add your corn flour, pineapple juice and tomato purée - give it a mix.
Then add 3 tbsp of your soy sauce, the white wine vinegar and sugar and give it all a final mix.
Put a wok/large pan on a medium to height heat and add your olive oil followed by your chicken and stir for a few minutes until the chicken is well coated and beginning to cook.
Then add your bowl with the onions, peppers, ginger and garlic. Stir fry for a further 3 minutes.
Add your sauce to the pan, give it all a good mix and cook on a medium to low heat for 5-6 minutes. Watch it doesn't burn.
Add the last tbsp soy sauce to your chicken and veg followed by all your pineapple chunks and any remaining juice. Cook on a low heat for a further 5 minutes while you prepare your sides. If you want to add some chilli oil or hot sauce for a bit of a kick, add it to taste in this step.
Ladle the sticky pineapple chicken into your pineapple boats/bowls. Garnish with coriander/sesame seeds if you like and serve with your sides.
You can freeze this recipe if you want to make extra for a rainy day.