How you can Minimize an Onion






When you understand learn how to reduce an onion the best means, your mealtime prep will likely be a complete lot simpler! This tutorial will present you learn how to slice and cube onions for all of your cooking wants.

Overhead view of sliced onions cooking in skillet

Earlier than you grasp learn how to make an ideal quiche or do-it-yourself pasta from scratch, it’s necessary to know the basics of cooking. And there’s nothing extra elementary than knife abilities.

How you can Minimize an Onion

Realizing learn how to use a knife correctly is a vital a part of being an ideal prepare dinner. Among the finest methods to hone your knife abilities is to learn to reduce an onion utilizing correct approach.

It might appear easy, however it may be surprisingly tough in the event you don’t know what you’re doing.

(Want some concepts for utilizing your onions? Attempt my Selfmade French Onion Dip or Onion Tart!)

Prepping an Onion

Very first thing’s first: you’ll must take away the pores and skin and ends from the onion earlier than you get began.

An onion has a stem finish and a root finish. The foundation finish is the tip with the dry brown roots popping out, whereas the stem finish is the tip that faces up when the onion is within the floor—it’s the place the inexperienced sprouts develop.

Place the onion on a reducing board on its facet, then reduce 1/2-inch from the stem finish and a smaller slice—about 1/8-inch—from the foundation finish.

Flip the onion so the stem finish is on the underside and the foundation finish is dealing with up in the direction of you. Minimize the onion in half from root to stem.

With the onion halved, it’s now straightforward to peel off the pores and skin and discard it. You’ll wish to discard not solely the papery pores and skin on the skin, but additionally any layers beneath that really feel leathery and skinny—these layers could be robust and troublesome to chew.

Skillet on stovetop with sliced onions and wooden spoon

How you can Slice an Onion

  1. Step 1 – Place one of many halves flat side-down in your reducing board and begin slicing crosswise to kind half moons. 
  2. Step 2 – Proceed slicing till you attain the tip of the onion.
  3. Step 3 – Repeat with the opposite half.

How you can Cube an Onion

  1. Step 1 – Place one of many halves flat side-down in your board and make angled lengthwise cuts from the stem finish in the direction of the foundation finish—however don’t reduce via the foundation finish.
  2. Step 2 – Maintain the foundation finish and slice the onion crosswise beginning with the stem finish and dealing your option to the foundation finish. Discard the foundation finish.
  3. Step 3 – Repeat with the opposite half.
Sliced onions in a pan, for a guide on how to cut an onion.


  • Leaving the foundation finish partially intact will maintain the onion collectively as you narrow, making the method quite a bit simpler!
  • The sharper the knife, the higher! It makes it a lot smoother to chop.

wood cutting board

Instruments to Use

  • Chef’s knife – The sharper the higher!
  • Reducing board – I like to recommend utilizing a non-slip board whenever you’re reducing onions.

Stack of homemade onion rings on a piece of butcher paper.

Different Strategies


In case you’re making onion rings, you’ll must take away the foundation and stem ends, then peel the onion. 

To maintain the onion from rolling on the reducing board, slice a skinny sliver from one facet. Place that facet down on the board, then reduce the onion into rounds in your required thickness.


If you wish to reduce your onion into wedges, comply with the steps for dicing, however cease after making the angled lengthwise cuts.

Storage Ideas

In case you’re not going to make use of all of a reduce onion straight away, retailer it in an hermetic container or wrap it tightly in plastic wrap and preserve it within the fridge. Minimize onions will last as long as every week when saved correctly. 

Continuously Requested Questions

Do you narrow the foundation or stem of an onion?

Leaving a part of the foundation finish on the onion will assist it maintain collectively whenever you slice it. Some of the widespread errors individuals make with reducing onions is chopping off each the stem and the whole root finish, which makes the onions slip whenever you reduce them.

How do you stop tears when slicing onions?

Attempt slicing the onion close to an open window so the fumes don’t irritate your eyes, or activate the fan in your kitchen and reduce the onion close by. In case you have time, you too can freeze the onion for a couple of minutes. 

What’s the finest knife for reducing an onion?

The most effective knife for reducing an onion is a pointy chef’s knife. It’ll make slicing via the layers of the onion a lot simpler and sooner; as well as, a pointy knife could make you much less more likely to cry whenever you’re reducing.

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