Caramelised Onions are a great addition to several basic Indian staples like biryanis and pulaos, but also continental dishes like tarts or pies. Making caramelised onions at home is simple and easy. All you need is some patience in slicing the onions and more patience and love in slowly caramelising it at the lowest possible heat, until they are uniformly golden brown. The process of slow cooking allows the onions to release their natural sugars and that is what gets caramelised in the presence of oil or butter, to give the onions a deep golden tinge. So try this recipe to make caramelised onions at home and transform your Caramelised Onion Tart a try!