A brewing by-productSourced
Beer-making leftovers became something for toast
Marmite is a yeast-extract spread made from beer-brewing by-products. Developed in Britain in 1902, it is traditionally eaten on buttered toast. The dark-brown paste has a strong salty flavor. Material left after brewing found another place in the food cupboard.
One food-making process supplied ingredients for another.
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Marmite · Wikimedia contributors
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Reviewed: 2026-10-05