Thai Sweet Chilli Sauce. Blue Dragon Original Sweet Chilli Dipping Sauce. For more than 50 years our farming partners in Thailand have been using handpicked chillies to make the original sweet chilli sauce, giving delicious authentic flavour to every squeeze, dip & dunk. A sticky, sweet and tangy blend of chilli and garlic made using our unique process to get a rich blend and unbeatable consistency you can't find anywhere else.