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Japanese santoku knife: what is it for and how do you use it?

October 27, 2026
Couteau japonais santoku Hitohira Imojiya TH de 180 mm, acier inoxydable et manche en bois d'ébène, vue d'angle détaillée du corps de la lame.

TL;DR

  • The pinch grip offers precise control with a santoku.

  • The push-cut is the basic motion; the rocking motion is limited to herbs.

  • Bone, frozen foods, and twisting damage the blade.

  • 165 to 180 mm is the most common size.

You have a santoku in your hands and want to use it properly. This guide covers santoku knife use: grip, cutting techniques, mistakes to avoid, and sizes, without describing the knife itself. If you are looking for its technical specifications, the Stay Sharp Academy article answers that. Here, we talk about techniques.

What is a santoku knife? (a reminder in under 200 words)

Santoku comes from the Japanese san (three) and toku (virtues): meat, fish, and vegetables. Its sheepsfoot profile, with an almost flat edge, dictates the motion: unlike the Gyuto, it is not designed for prolonged rocking. Its symmetrical double bevel is suitable for right-handed and left-handed users alike. To learn more about the knife itself, read the Academy's complete guide.

The correct grip of the santoku before cutting

The pinch grip is recommended: the thumb and index finger pinch the blade just in front of the handle, while the other three fingers wrap around the handle. It offers precise control. The full grip is used for very hard vegetables. The guiding hand, with fingers in a claw, protects the fingertips behind the edge: adopt this reflex from day one.

The 5 cutting techniques to master the santoku

  • Push-cut: the blade goes straight down or slightly forward, then lifts between each cut.

  • Fine slicing: julienne and chiffonade, in regular cuts.

  • Brunoise: slice, cut into sticks, then into cubes, with the flat edge in contact with the board.

  • Boneless meat: push slightly obliquely, without sawing or twisting.

  • Chopping herbs: a light rocking motion, with reduced amplitude.

What is a santoku knife used for? The 10 main uses

The santoku covers most daily tasks: carrots and zucchini sliced or cut into sticks, onions and shallots brunoised, herbs chiffonaded, fish fillets, chicken breasts and duck fillets, mushrooms sliced, tomatoes well-sliced, hard cheeses, cabbage and spinach leaves, and toppings for homemade sushi and sashimi.

Mistakes to avoid with a santoku knife

  • Prolonged rocking: the flat edge is not designed for this.

  • Cutting bone or frozen foods: the chipping can be irreparable.

  • Using a glass, bamboo, or marble board.

  • Twisting the blade in the food.

  • Putting the blade in the dishwasher.

Santoku vs Gyuto: which one for which task?

Task

Santoku

Gyuto

Daily vegetables

Very suitable

Suitable

Julienne, fine slicing

Very suitable

Suitable

Large pieces of meat

Too short

Very suitable

Compact kitchen

Very suitable

More cumbersome


See also the complete Gyuto and Santoku comparison.

Japanese Damascus knife with kiritsuke profile, wavy pattern Damascus blade, dark wood octagonal Wa handle, close-up view on a dark background.

Maintaining your santoku after each use

A well-sharpened santoku is essential for the techniques described: a dull blade leads to compensatory motions and increases the risk of injury. Wash by hand, dry immediately, and store the blade away from impacts. Sharpen on a whetstone and take it to a sharpening service when the edge no longer bites.

At Stay Sharp: your santoku, a chef's selection

Each santoku in the selection was chosen by Olivier Caza-Berthelet for the techniques described here, and not for its appearance alone. In the store in Montreal or Quebec City, you can hold the knife and perform the push-cut before buying. The sharpening service is offered after purchase, in-store or by mail, and delivery is available throughout Canada.

What size santoku should you choose for your kitchen?

The 165 mm offers maximum precision, for small hands and delicate preparations. From 170 to 180 mm, it is the most common size, a good first santoku for most cooks. The 210 mm is for those who work on a large cutting board or prepare large vegetables: the Takada Reika Santoku 210 mm is our recommendation for this size.

Simple exercises to get the hang of it

Practice on carrots: about ten regular push-cuts, then a julienne. Next, move on to an onion brunoise, then to herbs with a light rocking motion. Keep the blade clean and the edge sharp. This progression establishes the pinch grip and claw hand before tackling meat and fish.

When to change your santoku?

A well-cared-for santoku lasts for years. Consider a new size when the 165 mm becomes too short for your preparations or when you want a different steel. Before changing, try several in the store: the grip matters as much as the steel or the length.

Conclusion

The santoku is one of the most accessible knives, provided you master santoku knife use: push-cut, pinch grip, claw hand, and a few maintenance habits. A few sessions are enough to make the most of it. To choose yours, see the Santoku knife collection.

 

    Frequently Asked Questions

    What exactly is a santoku knife used for?

    It covers the three main categories of preparation: vegetables, boneless meat, and fish fillets. In practice, a single santoku knife handles most home cooking needs: julienne, brunoise, fine slicing, and chopping herbs. Its flat edge and lightness make it highly effective. Its rounded tip limits very fine precision work, but remains sufficient for most tasks.

    Can you cut meat with a santoku knife?

    Yes, for escalopes, chicken breasts, fillets, and boneless roasts. No for bones or carcasses: Japanese steel is hard and brittle under impact. For large pieces, a 210 mm Gyuto is better suited. Debone beforehand with another knife, then finish with the santoku for thin cuts.

    What is the difference between a santoku knife and a Western knife?

    The santoku has a flat edge and uses a push-cut technique, in a short format of 165 to 210 mm, suitable for home cooking and vegetables. The Gyuto, its long version, has a curved blade, uses a rocking cut and is suitable for large pieces. The cook's natural movement decides the choice: trying both in store helps to decide.

    How to sharpen a Japanese santoku knife?

    Use a medium-grit whetstone for sharpening, then a fine-grit stone for polishing, maintaining the knife's original angle. Do not use a steel rod on a hard-steel santoku: there is a real risk of chipping. Stay Sharp's sharpening service is available in-store and by mail.

    What is the best knife for cutting vegetables?

    For everyday vegetables, the santoku is a solid all-purpose choice: its flat edge and push-cut design produce clean cuts. For a kitchen heavily focused on vegetables, the Nakiri, with its rectangular blade, is the specialist, especially for squash and cabbage. Stay Sharp offers both styles.

    Is a santoku suitable for left-handed people?

    Yes. The santoku has a symmetrical double bevel, allowing it to be used without adaptation, whether you are right-handed or left-handed. It is one of the few Japanese knives that do not favor one side. The availability of models for left-handed users can be confirmed directly with the Stay Sharp team. It is also suitable for ambidextrous users, without any special adjustment.

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