Culinary science explains why blenders ruin potato puree

The use of high-speed blenders can ruin the texture of potato puree by turning it into a heavy, elastic, glue-like substance. This occurs because the high-speed blades exert excessive mechanical force, breaking cell walls and releasing excess starch.

To achieve a light and velvety texture, experts recommend using manual tools. A potato masher is considered highly efficient for breaking down the tuber uniformly, while a sieve or food mill can be used for an even more refined result. These methods allow for the gentle incorporation of butter and milk without compromising the dish's aeration.