Soak 8 bamboo skewers in water
Place lemongrass, sugar, garlic, fish sauce, coriander root & stem and onion in a food processor. Process until finely chopped. Add oil. Process until combined.
Cut chicken into 3 cm cubes and put into a bowl adding the mix and mix till combined. Refrigerate for 2 hours if time permits.
Thread chicken onto skewers. Preheat a bbq grill on medium heat. Cook for 10-12 mins or until lightly charred and chicken is cooked through.
Mango Salsa
Cut mango in to small pieces. Cut red onion and capsicums. Put all ingredients into a small bowl. Season to taste and add green onion garnish on top.
Serve skewers on a bed of rice with the mango salsa on top.