The Just A Pinch Test Kitchen shares basic knife skills.
Make sure your knife is properly cleaned and dry before starting to cut anything.
A serrated knife cuts easiest through items like tomatoes or bread.
A paring knife works to cut the core from a tomato.
Use a chef's knife to cut items like onions, squash, apples, etc.
To chop an onion using a chef's knife, chop the onion in half.
Then make three - four slices horizontal into the onion.
Turn the onion make vertical slices into the onion.
Turn the onion again and slice into onion.
To chop items like nuts, place nuts in a pile. Use a chef's knife, rock the knife back and forth across the nuts until desired size.