Do you eat fish on Fridays?

One of my friends who because of this enforced Ukrainian diaspora has been settled in southern England 🏴󠁧󠁢󠁥󠁮󠁧󠁿, says that the family she is living with has a ritual of Friday visits to the’chippy’ for a family feast of cod and chips 🍟,and instead of any ketchup or mayonnaise which I have heard some people put on this dish they have a sauce made out of crushed garden peas! 🫛