Cooking: Nuanced Complexity?

HighlyVolatile
How does one achieve the most nuanced complexity in cooking? This is like a Q for pro chefs from someone who is an idiot beginner.

In the few rare times that I've been able to try Michelin-star 7-course French restaurants, there is a quality with every single dish I can only describe awkwardly with words as "nuanced": most "exquisitely nuanced".

It's so extremely subtle and complex at the same time, like just the most subtle notes -- almost faint enough to not be there but there anyway.

I've never been able to replicate it. I have a fondness for such complexity and I've managed to replicate it halfway successfully with my Indian favorite food, but my favorite Indian food lacks that subtlety; it has the complexity but not the subtlety. It punches us with flavor.

I tried to describe this on a Discord cooking channel one time and managed to offend a French home cook there upon describing my favorite French food as "bland and complex". Then he took offense when I called it "bland" and maybe I used the wrong word. I meant to say it was so subtle and beautiful. It's like a "delicate whisper". My English is too bad to describe it properly and I don't think he understood what I was talking about because I explained it too poorly.

I've been trying to follow recipes religiously from Escoffier and Julia Child but they lack this subtlety I'm seeking at least in my execution of it. If there are people out there who know what I'm poorly trying to communicate, what would you recommend for a clueless idiot to better achieve this effect?
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Also from an English standpoint, is there a word like this? I think "bland" is the wrong word. They were all so delicious and extremely complicated! So subtle in flavor. So maybe not "bland". But it is like it's trying to be as mild in flavor profiles as possible until it disappears.
Cooking: Nuanced Complexity?
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