Chargrilled sweet & sticky BBQ chicken

chicken breast 73.0% , water 14.1% , rapeseed oil 6.5% , fortified wheat flour 3.2% , palm oil 1.6% , corn flour 0.8% , demerara sugar 0.4% , wheat starch 0.2% , salt 0.1% , rice flour 0.1% , dehydrated onion 0.0% , MOLASSES POWDER 0.0% , natural flavouring 0.0% , Natural Vinegar and Pimento Flavourings 0.0% , dehydrated glucose syrup 0.0% , garlic 0.0% , spirit vinegar 0.0% , spice 0.0% , E330 0.0% , yeast extract 0.0% , caramelised sugar 0.0% , smoke flavouring 0.0% , natural emulsifier 0.0% , Colour 0.0% , Natural Clove and Apple Flavourings with Other Natural Flavourings 0.0%