If speed is truly of the essence, she recommends boiling "boneless, skinless chicken breasts and thighs." While the texture of the boiled chicken will stay fairly consistent whether you use pieces ...
Turn the chicken breasts over and transfer to the oven to ... add salt and bring to the boil. Reduce the heat and simmer for ten minutes, or until tender, then drain off the liquid.
To make the grilled chicken, preheat the grill to medium. Mix the olive oil, honey, sweet chilli sauce and soy sauce together in a small bowl. Pour half of the mixture over the chicken breast to coat.