Cook's Illustrated

Do You Need a Burr Grinder?

If you want the freshest, most full-flavored cup of coffee, we always recommend grinding your own coffee beans. It’s best to do this right before you brew, as our testing has shown that the beans begin to lose flavor and aroma within an hour of being ground.

Home grinders come in two styles: blade and burr. A blade grinder works like a tiny food processor, with a rapidly spinning blade that chops coffee beans into smaller and smaller fragments. You have to hold the grind button down, time the grind, shake the grinder periodically to distribute the beans, and inspect the ground coffee to see

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