I've not watched any of his output for years. Between channels I stumbled upon him a few months ago. He had some kale. We love kale. We've toyed with being vegan and 'plant based' based for so many years how could we avoid it. 

What he did had me sit up.

• He cut out the stem of a leaf, folded one half into the other, the rolled it up.
• He then sliced it leaving a set of rings.
• Steam.

I've done the same ever since. 

Observation: 

• demonstrate a new technique
• make it look easy - because it is!
• be enthusiastic