The right way to Lower an Onion


When you understand learn how to minimize an onion the suitable approach, your mealtime prep will likely be an entire 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 vital to know the basics of cooking. And there’s nothing extra basic than knife expertise.

The right way to Lower an Onion

Realizing learn how to use a knife correctly is a necessary a part of being an ideal prepare dinner. Among the best methods to hone your knife expertise is to discover ways to minimize an onion utilizing correct method.

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

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

Prepping an Onion

Very first thing’s first: you’ll have to 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 top with the dry brown roots popping out, whereas the stem finish is the top that faces up when the onion is within the floor—it’s the place the inexperienced sprouts develop.

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

Flip the onion so the stem finish is on the underside and the basis finish is going through up in the direction of you. Lower 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 need to discard not solely the papery pores and skin on the skin, but in addition any layers beneath that really feel leathery and skinny—these layers will be powerful and troublesome to chew.

Skillet on stovetop with sliced onions and wooden spoon

The right way to Slice an Onion

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

The right way to 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 basis finish—however don’t minimize via the basis finish.
  2. Step 2 – Maintain the basis finish and slice the onion crosswise beginning with the stem finish and dealing your option to the basis finish. Discard the basis 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 basis finish partially intact will maintain the onion collectively as you narrow, making the method lots 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 slicing onions.

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

Different Strategies


When you’re making onion rings, you’ll have to take away the basis and stem ends, then peel the onion. 

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


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

Storage Ideas

When you’re not going to make use of all of a minimize onion immediately, retailer it in an hermetic container or wrap it tightly in plastic wrap and maintain it within the fridge. Lower onions will last as long as every week when saved correctly. 

Steadily Requested Questions

Do you narrow the basis or stem of an onion?

Leaving a part of the basis finish on the onion will assist it maintain collectively whenever you slice it. Some of the frequent errors folks make with slicing onions is chopping off each the stem and the whole root finish, which makes the onions slip whenever you minimize them.

How do you forestall 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 minimize the onion close by. When you’ve got time, you can too freeze the onion for a couple of minutes. 

What’s the finest knife for slicing an onion?

One of the best knife for slicing 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 prone to cry whenever you’re slicing.


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