The different options we have when shopping for cooking oil have expanded recently. Where previously you could basically pick from olive, sunflower or vegetable, now supermarket shelves are full of coconut, groundnut, sesame and even avocado oils. That's not to mention the virgin, extra-virgin, light and organic varieties of plain old olive oil to choose from! While you might choose your oils based on their flavours, or the cuisines you're planning on cooking with them, there is something ...