Mix all ingredients together except the wontons skins, oil and water. Place a small teaspoonful of the chicken and prawn mixture onto the center of the wonton skin. Dab a little water onto the corners of the skin. Fold the skin diagonally making sure that the skin stay attached. Fold the two sides toward the center and seal. Repeat until all's done.
Heat oil to 350 F in a wok. Drop the wontons into the hot oil and fry till golden or for about 5 minutes more or less. Remove from oil, drain to remove excess oil and serve with sweet chili sauce.