Some possibly useful information on how to cook vegetables from The Essex Cookery Book, 1930.
I’ve never heard of the dark/light theory of cooking vegetables. Vegetables grown in the dark should be cooked in the dark (i.e. covered with a lid) and vice versa, or so it says.
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More carrot destruction here with the timings. Not quite as bad as the advice to cook them for two and a half hours from 1910 (see below) but people apparently really liked carrot mush back then. Also – in what universe does it take 15 minutes to cook spinach? You can see why we got our reputation for soggy veg.
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Previous post here on Mrs Rea’s Cookery Book from 1910 – https://skittishlibrary.co.uk/the-good-the-bad-and-the-calfs-head/