Marmite XO (Extra Old) 250g is back. Love it or hate it some of you certainly haven’t forgotten it. Marmite XO (Extra Old) 250g on toast is a unique and delicious breakfast, which helps make your mornings that little bit better! Originally crafted by our master blender, for the true Marmite connoisseurs, Marmite XO has been matured four times longer than standard Marmite to create a fuller-bodied, stronger flavoured Marmite. Marmite XO (Extra Old) yeast extract spreads easily on toast, providing a quick and simple breakfast solution for the whole family to enjoy. What’s more, Marmite XO (Extra Old) is rich in B vitamins (including B12), what more could you want from a breakfast?! Spread Marmite XO on toast, crumpets, bagels and a host of other foods. You can even try Marmite XO with eggs, avocados or cheese for an extra burst of flavour. Marmite XO is also suitable for vegans. If you are a devoted Marmite lover, be sure to give Marmite XO a try. Marmite has been brightening up British breakfasts since 1902. How do you have yours? Marmite comes in a range of sizes including 125g, 250g and 500g jars, 200g and 400g squeezy, which are a little bit easier to spread so great for making your sandwiches with, and 70g, the perfect travel sized Marmite.