How to Chop An Onion

How to Chop An Onion

Chopping an onion is a fundamental skill that sets the foundation for a plethora of culinary endeavors. Whether you're a budding home cook or a seasoned chef, the ability to efficiently and effectively chop an onion is akin to holding the key to unlocking the full potential of your kitchen creations.

But as many of us know, this task can often lead to teary eyes and uneven cuts if not done correctly. Fear not, for today, we embark on a journey to demystify the art of onion chopping, ensuring you wield your knife with confidence and precision.

Hand Forged 8" Chef's Knife

Why Proper Onion Chopping Matters

Onions form the backbone of countless recipes, from savory soups to hearty stews. However, the way you chop an onion can dramatically affect the dish's overall taste and texture.

Uniform pieces ensure even cooking and a harmonious blend of flavors. But before we delve into the art of onion chopping, it's crucial to talk about the tools of the trade.

Choosing the Right Knife for the Job

The key to perfect onion chopping lies in using a sharp, comfortable, and suitable knife. Cooking Guild Knives offers a range of high-quality knives that can elevate your culinary experience. Here's a brief overview:

  • Chef Knives: The versatile all-rounder, ideal for chopping, dicing, and mincing.
  • Santoku & Bunka: Excellent for precise cuts and thinner slices.
  • Paring Knives: Perfect for peeling and trimming small produce.
  • Slicers: Best for creating uniform slices with ease.
  • Fillet Knives: Although typically used for fish, their sharpness is excellent for finely chopping onions.
  • Cleavers: Not the traditional choice for onions, but useful for large quantities.

For onion chopping, it is recommended to start with a Chef Knife or a Santoku from Cooking Guild Knives for their versatility and ease of handling.

Please note, that acid does react to 1095 High Carbon Steel and blades with nitride coating. Please be aware that this may cause discolouration on these types of blades. 

Step-by-Step Guide to Chopping an Onion

  1. Prep Your Onion: Start by cutting off the top of the onion (the pointy end). Leave the root end intact, as it will help hold the onion together while you chop.
  2. Peel the Onion: Slice the onion in half from top to bottom, going through the root end. Peel away the skin and the first layer if it's damaged or tough.
  3. Make Horizontal Cuts (Optional): With the flat side down, make a few horizontal cuts towards the root, but don't cut through it. This step is optional but helps create finer pieces.
  4. Make Vertical Cuts: Make vertical cuts from the top down to the root end, spaced evenly. The closer the cuts, the finer the dice.
  5. Chop: Now, slice across the previous cuts, and as you move towards the root, you'll have perfectly chopped onion pieces.
  6. Repeat: Turn the onion and continue to chop until all sections are diced.

The Ideal Knife: Santoku and Chef Knives

1.  Dynasty Series Santoku

The Dynasty Santoku knife is the versatile tool you'll come to depend on. This knife, akin to the Japanese version of a Chef Knife, features a Santoku blade that is somewhat smaller and lighter, providing a more meticulous cut. Its full tang is encased in an elegant, well-balanced rosewood handle, enabling swift and effective motions that will enhance your culinary experience significantly.



  • Material - San mai AUS -10 core W/ 430 stainless steel.
  • Blade length: 7 inch / 17.9 cm
  • Blade width: 2 inch / 5 cm
  • Blade thickness: 0.1 inch / 0.2 mm
  • Total length: 12.1 inch / 30.7 cm


  • Material - Carbonised rosewood
  • Full Tang
  • Handle length: 5 inch / 12.5 cm

2. Viper 8" USA Chef Knife

This chef's knife embodies the spirit of American innovation and superior quality, ideal for enthusiasts of unique, locally-crafted items. It represents more than a mere cooking tool; it stands as a tribute to the lasting brilliance of American artisanal skill. Enhance your cooking journey with a knife that combines functionality and reliability with refined aesthetics.


  • Handcrafted in Ohio 100% American Made Knife
  • Material is 154cm All American Super Steel
  • Finished with a nitride coating for an aggresive viper finish
  • Full tang black and viper green acrylic handle
  • Viper Spine engraving
  • 8" Chef knife with k-tip

3. Dynasty Series 8" Chef Knife

Discover the pinnacle of culinary artistry with our Dynasty Collection. Crafted through time-honored Japanese methods, these knives boast exceptionally sharp, rust-resistant edges designed for a lifetime of use. The Dynasty Chef Knife stands out as a versatile masterpiece, engineered for both lasting resilience and supreme functionality. Enhance your cooking journey today by securing your own piece from this prestigious lineup.



  • Material: San mai AUS -10 core W/ 430 stainless steel.
  • Length: 8.1 inch / 20.5 cm
  • Width: 2 inch / 5 cm
  • Thickness: 0.1 inch / 0.2 mm
  • Total length: 13.2 inch / 33.5 cm


  • Material: Carbonised rosewood, Full Tang
  • Length: 4.9 inch / 12.5 cm

4. Nomad Series 8" Chef Knife

Crafted by fire using X70Cr17MoV stainless steel, the blades boast an engraved mountain range design. Symbolizing the confluence of water and earth, the grips are composed of combined mountain burl wood and deep-sea blue epoxy resin, adorned with the signature Nomad Series emblem. Experience the ease as the air currents merge seamlessly while the knives move effortlessly across the cutting board, rendering chopping and mincing effortless.



  • Material - X70Cr17MoV Stainless Steel
  • Length: 8 inches (20.3 cm)
  • Width: 2 inches (5 cm)
  • Thickness: 0.2 inches (0.25 cm)
  • Length: 13 inches (33 cm)


  • Material - Stabilised burl wood and deep sea epoxy.
  • Length: 5 inches (12.5 cm)

5. Hand Forged 8" Chef's Knife

Crafted with high carbon steel through the heat of fire, this impressive knife stands as the pinnacle of kitchen necessities. Razor-sharp and exquisitely balanced, it is intentionally created to efficiently handle a variety of tasks, from neatly slicing and separating meats to finely chopping herbs and vegetables.


  • 1095 High Carbon Steel
  • Blade length:216mm
  • Blade width:59mm
  • Blade thickness:3mm
  • Total length:330mm

6. 8" Grizzly Chef knife | Forged Japanese San Mai

 Every blade in the Grizzly Series is carefully crafted through the ancient Japanese San Mai technique, providing unmatched sharpness and accuracy. The full tang design ensures a durable product that can be passed down through generations, making it a must-have for every BBQ enthusiast. Enhance your grilling journey with the Grizzly Series, where heritage meets modernity for an exceptional cutting experience.

  • Weight - 282g
  • Material - 430 stainless steel w/Hitachi SLD Steel Edge.
  • Edge angle - 15°
  • Length: 13.5 inch / 35 cm
  • Width: 2.2 inch / 5.5 cm
  • Thickness: 0.1 inch / 0.3 mm
  • Blade Length: 8 inch / 20 cm


  • Material - rosewood
  • Full Tang
  • Signature TCG Metal Bolster
  • Length: 5 inch / 13 cm

7. ONYX II Damascus Steel 8" Chef Knife

These represent our most esteemed creations thus far, having demanded nearly a year of meticulous development and refinement. We have ultimately achieved the ideal harmony between sharpness and magnificent aesthetics. Each knife within the ONYX collection is accompanied by a distinctive ONYX-branded sheath and superior custom packaging.

  • Material: 67 laysers Japanese damascus steel with Hitachi SLD mold tooling steel core, blade hardness :62-63HRC
  • Length: 8 inch / 20 cm
  • Width: 1.8 inch / 4.5 cm
  • Thickness: 0.8 inch / 2 mm
  • Hardness - HRC62-63


  • Material: Fortified G10 Black Handle
  • Length: 4.7 inch / 12 cm
  • Full Tang


  • Full-Art Damascus Pattern Cotton Sheath.

Pro Tips for Onion Chopping

  • Always use a sharp knife to reduce tears and ensure clean cuts. Cooking Guild Knives are known for their lasting sharpness.
  • Tuck your fingers while chopping to avoid accidents.
  • Rinse the onion under cold water before chopping to reduce tears.

Incorporating Your Skill into Recipes

Now that you've mastered onion chopping, why not put your skills to the test? Whether you're stirring up a classic French onion soup or a robust Indian curry, your perfectly chopped onions will ensure your dishes are cooked evenly and packed with flavor.

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