If you’ve got a Marmite hater in mind, instead of egging their house over Halloween, why not trick them to another breakfast staple? The Marmite Halloween Trick Gift Jar. Bon appetite, haters. Rich in B vitamins, suitable for vegan diets and with no added sugar, Marmite yeast extract makes for a great start to your day. Spread it on toast, crumpets, bagels and host of other foods for a quick yet tasty breakfast, snack or tea-time treat.