Make sure the cauliflower florets are well rinsed in water.
Combine the stock, BBQ and soy sauce in a medium bowl.
Combine the all purpose flour, corn flour and salt in a large bowl.
Place florets into liquid mixture until well coated. Remove florets and shake in batches into the flour mixture. For extra crispy coating, repeat process once more.
Heat enough cooking oil for deep frying while preparing the Asian Style BBQ sauce.
Fry the coated caulifower in batches until golden and crispy on the outside (the cauliflower should still be al dente).
Place all the Asian BBQ sauce ingredients (except coriander) into a sauce pan and simmer for 8 - 10 minutes or until reduced to a saucy consistency. Stir in the coriander when cauliflower is ready for dunking.
In a large bowl, shake the hot and crispy cauliflower florets with the heated Asian style BBQ Sauce until well coated. Use remaining sauce for serving.
Garnish with sesame seeds, chilli, spring onion and coriander and eat immediately!