I remember a discussion of some of the 'worts that were relied on during the Little Ice Age (not sure they referred to it as that, though).
Henry VIII's Kitchens at Hampton Court Palace (not Time Team)
From Modern History TV:
https://www.youtube.com/watch?v=WeVcey0Ng-w “What Did Peasants Eat in Medieval Times?”
https://www.youtube.com/watch?v=i9RDaf8j2Yg “How Healthy Was Medieval Food?”
https://www.youtube.com/watch?v=Ertx8fZiuxA “What Did Rich Nobles Eat in Medieval Times?”