We've all seen chefs super quickly chop an onion or whatever. what other food.
But when you're not a top chef, it's not always easy to cut super finely.
So, to cut super finely, rather than a knife, use a pizza cutter.
It's very useful. You can cut onions, ham, carrots, cucumbers and all types of ingredients really finely, without spending too much time.
Here is the little thing in picture that you can share: