Add the sauce ingredients together and keep aside
Marinate the chicken with the salt, pepper, chilli powder and corn starch and deep-fry till cooked and golden brown
Heat some oil in a wok or kadai and add the onion petals, sliced banana pepper and green chillies
Remove once slightly caramelized
Pound the ginger and garlic together and add to the hot wok or kadai with some more oil
Add the cinnamon and saute
Add the red chilli flakes and the chilli powder
Add the turmeric and mix
Add the premixed sauces
Add the water and bring to the boil
Add the pandan leaves and allow it to boil for a minute
Add the cooked chicken and mix to coat
Add a tsp or so of the corn starch slurry if required
Add the tomatoes and the sautéed onion and veg