French Knife Cuts
Food Prep & Culinary Standards · 12 specs
Direct Answer
Classical French culinary knife cuts establish strict dimensional standards for vegetable preparation, categorized into stick cuts (Batonnet, Julienne, Fine Julienne) and corresponding cube cuts (Large, Medium, Small Dice, Brunoise, and Fine Brunoise).
Source: Culinary Institute of America (CIA) / Classical French Brigade Standards · Last reviewed Aug 28, 2026
Specs
| Governing Tradition | Classical French Haute Cuisine / CIA Professional Standards |
| Fine Julienne | 1.5 × 1.5 × 30–50 mm (1/16 × 1/16 × 1–2 in) |
| Julienne (Allumette) | 3.0 × 3.0 × 50 mm (1/8 × 1/8 × 2 in) |
| Batonnet | 6.0 × 6.0 × 50 mm (1/4 × 1/4 × 2 in) |
| Pont-Neuf (Steak Fry) | 12.0 × 12.0 × 60–75 mm (1/2 × 1/2 × 2.5–3 in) |
| Fine Brunoise | 1.5 × 1.5 × 1.5 mm (1/16 × 1/16 × 1/16 in cube) |
| Brunoise | 3.0 × 3.0 × 3.0 mm (1/8 × 1/8 × 1/8 in cube) |
| Small Dice (Macedoine) | 6.0 × 6.0 × 6.0 mm (1/4 × 1/4 × 1/4 in cube) |
| Medium Dice (Parmentier) | 12.0 × 12.0 × 12.0 mm (1/2 × 1/2 × 1/2 in cube) |
| Large Dice (Carre) | 20.0 × 20.0 × 20.0 mm (3/4 × 3/4 × 3/4 in cube) |
| Paysanne | 12.0 × 12.0 × 3.0 mm (1/2 × 1/2 × 1/8 in flat tile) |
| Tourne / Chateaux | 7-sided football barrel: 50 mm long, 20 mm thick (approx 2 oz) |
Classical Knife Cut Dimension & Technique Hierarchy
| Classical French Cut | English Common Name | Exact Dimensions (Metric) | Exact Dimensions (Imperial) | Parent Cut Derivation | Primary Culinary Applications |
|---|---|---|---|---|---|
| Fine Julienne | Hair / Needle Matchstick | 1.5 × 1.5 × 50 mm | 1/16" × 1/16" × 2" | Raw squared baton | Delicate soup garnishes, salads, sushi |
| Julienne | Matchstick / Allumette | 3.0 × 3.0 × 50 mm | 1/8" × 1/8" × 2" | Raw squared baton | Stir-fries, raw salad slaws, consomme |
| Batonnet | Small Stick | 6.0 × 6.0 × 50 mm | 1/4" × 1/4" × 2" | Raw squared baton | Sautéed vegetables, crudités, fry bases |
| Pont-Neuf | Thick Cut Steak Fry | 12.0 × 12.0 × 70 mm | 1/2" × 1/2" × 2.75" | Raw squared baton | Classical French deep-fried potatoes |
| Fine Brunoise | Micro Dice | 1.5 × 1.5 × 1.5 mm | 1/16" × 1/16" × 1/16" | Cut from Fine Julienne | Clear broths, delicate sauces, canapés |
| Brunoise | Fine Cube | 3.0 × 3.0 × 3.0 mm | 1/8" × 1/8" × 1/8" | Cut from Julienne | Consommé garnish, compound butters |
| Macedoine | Small Dice | 6.0 × 6.0 × 6.0 mm | 1/4" × 1/4" × 1/4" | Cut from Batonnet | Mirepoix for clear soups, salsas, hash |
| Parmentier | Medium Dice | 12.0 × 12.0 × 12.0 mm | 1/2" × 1/2" × 1/2" | Cut from 12mm stick | Roasted root vegetables, stews, chowders |
| Carre | Large Dice | 20.0 × 20.0 × 20.0 mm | 3/4" × 3/4" × 3/4" | Cut from 20mm stick | Long-simmered stocks, bourguignon, pot roast |
| Paysanne | Peasant Cut (Flat Tile) | 12.0 × 12.0 × 3.0 mm | 1/2" × 1/2" × 1/8" | Cut from 12mm flat slice | Traditional country soups, minestrone |
| Chiffonade | Shredded Ribbon | 1.0–2.0 mm wide strips | 1/16"–1/8" ribbons | Stacked and rolled leaves | Basil, spinach, sorrel, herb garnishes |
Why Knife Cut Dimensions Matter in Culinary Physics
Classical knife cuts are not purely aesthetic; they are designed for thermodynamic cooking uniformity and flavor extraction rates:
- Uniform Heat Penetration: Irregularly cut vegetables cook at different rates; small fragments dissolve into mush while large pieces remain raw and fibrous in the center.
- Mirepoix Extraction Surface Area: A fine brunoise maximizes surface area contact with liquid for fast, 20-minute pan sauce reductions, while a 20 mm Carré (large dice) provides gradual, sustained extraction over a 6-to-8 hour veal stock without disintegrating and clouding the broth.