How To Dice An Onion | 1-Minute Video. How to Select An Onion: In general, you want to look for fresh onions at the market that: have thin skin and feel firm (the firmer the better) have even color on the outside (yellowish spots and bruises are usually bad) How to Dice an Onion. Here’s how I do it! First, start with an onion! Cut the two ends off of your onion and discard the dry outer skin. Next, cut your onion in half. Slice each onion half down the middle again as shown. I find this prevents random giant pieces from appearing in my finished diced onion a little better than if I don’t do. Wondering how to dice an onion? This video shows exactly how to cut an onion like a pro, plus how to chop an onion without tears and the easiest way to peel an onion. How to dice an onion; How to poach an egg ; How to carve a turkey; How to prepare mussels; How to segment an orange; How to prepare a whole salmon; How to prepare papaya; How to prepare asparagus; How to double-pod broad beans; How to wilt spinach; How to peel peppers; How to prepare leeks; How to make eggnog How to Dice an Onion: This is the simplest and quickest way to dice an onion. If you don't want to cry--just breathe through your mouth the entire time. If you don't breathe through your nose you should be fine. **Disclaimer 1: This project involves sharp knives. I. Whether you plan to slice, dice or mince the onion, the first step is cutting it in half. Cut off the top of the onion and place it cut-side down. How to Dice an Onion: The Kitchn. Dicing onions: one of the most elemental tasks in the kitchen. Have you ever wondered whether you’re doing it right? Watch our super-short video tutorial on dicing onions; it will give you a couple of pro secrets for chopping onions quickly, safely, and neatly! How to finely chop an onion - with no waste and no fuss. Let us know any tips or techniques you'd like to see. If you liked this clip check out the rest of G. How to Dice an Onion. Dicing an onion into small, uniform pieces is important in many recipes so they cook evenly. Luckily, there is an easy way to cut your onion so your knife doesn't slip and so the pieces are all the same size. As long.