https://www.theguardian.com/business/2023/feb/22/problem-shortage-fresh-food-uk-supermarkets
Three big retailers are placing limits on shoppers on some produce lines. What is behind the rationing?
Aldi joins rivals Asda and Morrisons in rationing salad ingredients
The article makes the point that we seem to be suffering more than the EU. Although Brexit might not be the main cause of the shortages, it is a contributing factor.
Some importers argue the additional costs and bureaucracy created by Brexit have put the UK at the back of queue for supplies from European producers when crops are in short supply across the continent.