Isn’t the air fryer the best invention ever? We’ve made snacks to full meals in an air fryer. But we think this might just top everything – a kopitiam classic, this Roast Duck Leg recipe gives you the crisp and tenderness of your favourite Roast Duck stall. With everyday and easy-to-get Lee Kum Kee sauces, you must try this short cut to homemade goodness.