Have you ever been at a party and someone brings a tray of Devilled Eggs that look perfect? The yolks look nice and yellow compared to the ones you usually make? Well here’s a secret. Mustard. Yup, plain old regular mustard is like adding food colouring with extra zip. And, don’t tell anyone but you can also add something that makes people go hmmmm, there’s something I’m tasting but I can’t quite put my finger on it.