Chef Dez

TV Chef has NO CLUE about Cutting Onions! #chefdez #cooking #tvchef #onions #cuttingonions

27 August 2026 · 0:19 watch

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A sharp editorial critique of common television knife skill blunders, focusing on correct onion dicing techniques, root management, and station safety for professional kitchens.

Key takeaways

  • Keep the root intact as a natural anchor to prevent the onion from sliding during prep.
  • Rethink horizontal cuts: precise radial cuts often make horizontal slicing redundant and unsafe.
  • Employ a strict claw grip to ensure fingers remain protected and cuts remain uniform.
  • Use a fluid rocking or sliding motion instead of downward hacking to prevent crushing the vegetable cells.

Few things irritate a seasoned kitchen professional more than watching a media personality hack through a basic ingredient with terrible form. Chef Dez addresses this head-on in a critique of television cooking show knife skills, focusing on the humble onion. For any commis or cook aiming for a professional standard, mastering the onion is the absolute starting point of prep-line efficiency. When television presenters get it wrong, they spread bad habits that compromise both speed and safety in the workplace.

The Anatomy of a Clean Dice

To diceDiceTo cut food into small, regular cubes. an onion efficiently, you must work with the vegetable's natural structure rather than fighting it. The common mistake seen on screen involves hacking off both ends immediately, losing the natural anchor of the root. A professional approach keeps the root intact to hold the layers together during dicing.

Another point of contention is the traditional horizontal cut. While many television chefs insist on slicing horizontally toward their own fingers, many modern professional chefs argue this step is often redundant and unnecessarily dangerous. If your vertical radial cuts are precise, the natural concentric rings of the onion will already yield a perfect diceDiceTo cut food into small, regular cubes. once you cut across. Skipping the horizontal cut keeps your fingers safer and speeds up prep when you have a sack of onions to clear before service.

Grip, Motion and Station Safety

Beyond the cuts themselves, hand positioning is where television presentations often fall apart. The classic "claw grip" is not just a safety recommendation; it is the driver of speed and consistency on the line. Tucking the fingertips inward and using the knuckles as a guide for the blade allows for rapid, confident slicing without the risk of injury.

Furthermore, the motion of the knife matters. Chopping with a straight downward hacking motion dulls the blade and crushes the onion's cell walls, releasing more of the volatile compounds that cause crying. A fluid, rocking slice—pushing forward and down—shears clean through the cells, keeping the prep board dry, the cuts clean, and the cook's eyes clear. If you want to run an efficient station, these fundamentals are non-negotiable.

Questions from the pass

Frequently asked questions

Why is keeping the root intact so critical when dicing an onion?

The root acts as a natural anchor that holds the onion's concentric layers together. Leaving it intact prevents the layers from sliding around while you make your vertical and cross cuts, ensuring both safety and a highly uniform dice.

Is the horizontal cut actually necessary for a perfect dice?

For most everyday service prep, the horizontal cut is unnecessary. Because an onion is made of concentric spheres, precise vertical radial cuts combined with cross cuts will naturally produce neat cubes, saving time and reducing the risk of slipping.

How does knife motion affect the amount of tearing while cutting onions?

A dull knife or a straight downward hacking motion crushes the onion cells, spraying irritating compounds into the air. A sharp blade used in a smooth, forward-slicing motion cleanly shears the cells, reducing juice release and eye irritation.

What is the claw grip and why is it preferred over flat-hand holding?

The claw grip involves curling your fingertips inward and resting your knuckles against the flat of the knife blade. This protects your fingertips from the edge and allows you to use your hand as a consistent, sliding guide for uniform slicing.

Main ingredients

Original video by Chef Dez. This overview is written independently by The Chef's Circle editorial desk — watch the original on YouTube.

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