To Prep
Combine the sauce ingredients in a small bowl. Mix well and set aside.
Roast grounded glutinous rice with kaffir lime leaves and lemongrass in a pan until fragrant.
To Cook
In a pot, put in minced chicken and water, heat the pot to medium heat. Keep stirring until the chicken is cooked. Remove from heat.
Stir in the prepared sauce mixture with the chicken. Add in the onion, coriander, mint, dried chili flakes and ground roasted glutinous rice. Stir to combine.
Serve chicken mince in cos lettuce as cups and garnish with chillies, coriander, mint and lime.