Gather all the items
First of all, you need to gather all the items you need before you start your work. You must have the onions, a well-sharpened knife and a cutting board. Gathering things at the start can save time and will make it really convenient for you.
Set your cutting board
You need to set your cutting board before you start to chop the onions. Place the cutting board on a flat surface so that you can chop the onions easily. Slide a kitchen towel under the cutting board so that it remains in its place.
Cut the ends of the onion
Carefully cut both the ends of the onion so that it can be placed in a stable position on the cutting board.
Cut the onion in half and peel the skin
The next thing you need to do is to cut the onion in half. Use the knife to cut the onion in equal pieces and make sure you peel the skin after that. It is up to you to peel the skin as there are people who prefer to cut the onions with the skin.
Chop the onions
Place the half-cut onion on the cutting board and slice it flat through the middle. Do not make the full cut until the end. Similarly, make equal vertical cuts on the onion and again, do not cut until the end. Now cut in any way you like and you will get chopped onions in the shape of a dice. They are mostly used in making pizzas so use the diced onions in Chicken Pesto Pizza.