Knife Cuts: Brunoise, Julienne, Chiffonade, Concasser

Classical French cuisine codified knife cuts into a hierarchy of precise, named forms during the brigade-kitchen era of Escoffier. Standardization serves two purposes: evenness of cooking (identically sized pieces cook at the same rate, eliminating the overcooked/undercooked spread in a mirepoix that bedevils imprecise prep) and visual professionalism. The four most universally applied cuts in both classical and contemporary kitchens are: BRUNOISE — the smallest standard dice, produced by cross-cutting julienne strips into 1–3 mm cubes. A fine brunoise (sometimes called 'micro-brunoise') runs 1 mm on a side. Used for delicate garnishes, smooth vinaigrettes, and fine-textured fillings where large vegetable pieces would be intrusive. Requires absolute uniformity or the cube's smallest dimension overcooks while larger pieces remain raw. JULIENNE — matchstick batons approximately 3 mm × 3 mm × 6 cm (or fine julienne: 1.5 mm × 1.5 mm × 6 cm). The foundational cut from which brunoise is derived: julienne first, then rotate 90° and re-cut. Used for stir-fries, salads, garnishes, and Asian preparations. Large julienne (3 mm × 3 mm) appears in Korean namul, Thai som tum, and French céleri rémoulade. CHIFFONADE — thin ribbon cuts of leafy herbs or greens produced by stacking leaves, rolling tightly into a cigar, and slicing crosswise into fine strips. Width can range from 1 mm (fine chiffonade of basil for garnish) to 5–6 mm (rough chiffonade of chard for sautéing). Crucially, basil chiffonade must be used immediately or coated lightly in olive oil: cut surfaces oxidize and blacken rapidly once the cellular structure is breached. CONCASSER (or concassé) — to roughly chop; typically refers to tomates concassées: tomatoes that have been blanched, peeled, seeded, and then coarsely chopped into irregular pieces. The key steps — skin removal and seeding — are not optional decorations but functional: skin remains leathery when cooked and seeds introduce excess water and bitterness. Concassée is the base for fresh tomato sauces, fish en papillote, and quick braises. The 'rough chop' sense of the verb is also applied to herbs and aromatics: 'concasser le persil' means chop coarsely, not chiffonade or mince.

“The mirepoix was cut to a fine brunoise so it would dissolve completely into the sauce within fifteen minutes, leaving flavor without texture.”

• TechniqueMirepoix
• ConceptMise en Place
• CuisineFrench

1. 1.Le Guide Culinaire — Auguste Escoffier
2. 2.The Professional Chef, 9th Edition — The Culinary Institute of America
3. 3.Jacques Pépin: New Complete Techniques — Jacques Pépin
4. 4.Knife Skills Illustrated — Peter Hertzmann
5. 5.On Cooking: A Textbook of Culinary Fundamentals — Labensky & Hause

Confidence: high