-Marinate all the ingredients together excluding tamarind juice, chilli flake, brown sugar, onion slice, then refrigerate for 30 minutes. -Please the vision grill and wait for preheating. -When reach the desires temperature place the pork neck and grill for 10 minutes. -When it's cook let it cool down and cut thin slice. -Mixed tamarind juice, chilli flake, brown sugar for dressing and tossed it up with pork neck, onion slice. -Garnish with coriander leaves, Thai basil and roasted rice powder.