Gelling is the alternative term for gelation, the process by which a liquid food sets into a gel through the formation of a three-dimensional polymer network. It underpins the texture of jams, yoghurts, desserts and restructured meats, turning fluid mixes into sliceable or spoonable products. Food technologists control gelling by choosing the hydrocolloid, adjusting pH, sugar and ion levels, and managing cooling rates to achieve the target firmness and mouthfeel. Because consumers judge quality largely by texture, getting the gel right, firm but not rubbery, stable but not weeping, is central to product success.