Make cutlets out of the chicken breast fillets

Mix all the rest of the ingredients (the measurements here are as desired. If you prefer it hot, add more hot sauce. Prefer it sweeter, add more sweet soy sauce). Marinate the chicken cutlets for a couple of hours of per night in the fridge

Cut onions into 4 parts each. Place each cutlets of chicken and onions on the skewer

Grill until cooked

Serve with salad if you like, although the Indonesians would have them with warm rice instead :D