As a general rule, you'll get one tablespoon of zest from a medium-sized lemon. Regardless of which tool you use, the most important rule in zesting citrus is to only grate the outer, colored rind.
Lemon zest — shavings of the bright yellow, outermost portion of the rind — is extremely versatile, and a small sprinkle goes a long way in adding a pop of lemon flavor to a dish. Because the ...