tb. finely grated lemon peel

Lemon peel refers to the colored outer skin layer (zest) of the lemon fruit (Citrus limon), a citrus fruit native to Asia and widely cultivated in Mediterranean climates. The peel is composed of the thin, bright yellow outer rind (flavedo) and the white pith beneath it. When finely grated, it becomes zest—the most aromatic and flavorful part of the lemon. The grated form captures volatile oils and cellular material, releasing bright, intensely acidic citrus notes with floral undertones. Lemon peel lacks the juice's acidity but provides concentrated citrus flavor without added liquid, making it distinct from juice or whole lemon juice.

The zest is prized for its aromatic essential oils, particularly limonene, which provide the characteristic fresh, bright lemon flavor. Grating increases surface area, distributing these oils throughout a dish more effectively than larger zest pieces.

Finely grated lemon peel is used across cuisines to impart bright, aromatic citrus flavor without introducing significant acidity or moisture. It is essential in baking—particularly in cakes, cookies, custards, and glazes—where it adds complexity to sweet preparations. In savory cooking, it seasons fish, poultry, vegetables, and sauces, particularly in Mediterranean, European, and Asian cuisines. It appears in marinades, dressings, spice rubs, and compound butters. The fine grating ensures even distribution and prevents bitter white pith from dominating the flavor profile. It is typically added at the end of cooking to preserve aromatic volatility, though it can be incorporated into dough and batter during mixing.