In my opinion it's more self aggrandizing kitchen design than cooking. I have a big drawer for my herbs and spices. Oooh darling you use saffron.
I have a spice rack.....its a convenient way to store the herbs and spices I use most often. Its fastened to the inside of a cupboard door - so its both dark and out of sight. It also uses up space that wouldn't otherwise be used
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I also have a drawer with the rest of them, and a cupboard with even more....I really want more spice racks but they don't make them any more
That’s how my shelves would look - I am a bit CDO, but my wife is exactly the opposite. Drives me nuts trying to find things only to discover they’ve moved to a different shelf, or even a different cupboard. Wouldn't change a thing though