One of the reasons i prefer to use Sesame oil is the high heat you can maintain during cooking: try 'Kadoyama' toasted sesame oil. The colour and taste is superb.It's worth spending some time reading about oils. Certain oils can become very unhealthy if overheated during cooking - I mean carsinogenic unhealthy. Well, any oil can really but some can be safely heated to higher temps than others, rapeseed being one of the highest. Rapeseed is probably the safest of all oils. I've read some people saying you shouldn't cook with olive oil because of this but it's a bit of nonsense really, you just have to be careful not to overheat it. I definitely wouldn't cook with any cheap oil.