1.Put chicken in a baking dish with the garlic, ginger, sweet chilli sauce and soy sauce and mix together well. Cover with plastic wrap and put in the fridge to marinate for at least 30 minutes or overnight.
2.Preheat oven to 220°C. Bake the chicken for 10 minutes, then reduce oven heat to 180°C, turn chicken over and cook for a further 20 minutes or until cooked through.
3.Toss together the slaw ingredients, adding salt and pepper to taste.
4.Stir together the mayonnaise and sweet chilli sauce.
5.To assemble, spread sweet chilli mayonnaise onto both sides of each roll, then fill with hot ginger chicken and a portion of slaw.