Chef tip: microwave the lemon for 10 seconds to get more juice out of it. In a medium-sized pan, heat the olive oil and add the finely sliced onion; Season with salt and cover the pan with cling ...

Pete Wickes, general manager of EMEA enterprise at Worldpay, said: "While retail events like Black Friday may be better ... team are motivated and generally happy, so we make sure to organise ...