Combine all the ingredients for of the marinade and mix together with the chicken breast(chopped into cubes). Place in the fridge for 1 hour.
If you are cooking on the BBQ or over charcoal, soak the skewers in water for at least an hour
Make the peanut sauce. Heat up some vegetable oil in a saucepan and add the onion and garlic
Add the coriander powder until aromatic
Add tamarind paste, soy sauce, peanut butter and sugar. Cook until well combined. Add lemon juice once once it has cooled down
Heat up the grill and lightly oil
Grill chicken skewers for 3 mins on each side until golden.
Serve with peanut sauce and garnishes.