Squeezing a bit of fresh lemon juice over a savory dish adds a bit of brightness and helps balance out any overpowering richness, but there’s another portion of the lemon you should be sprinkling all over your culinary existence: the peel or, if you’re a regular barefoot count or countess, “zest.”
Source: LifeHacker – Use Lemon Zest to Drastically Improve These Foods