Yes, I ate corned beef hash in the student flat I shared with 3 other girls in 1968.
I remember service stations being opened on the M6 - our nearest was Knustford, but while my parents liked to go out on Sunday afternoons in the car for a drive round the Cheshire lanes, our dining out experiences were limited to getting fish and chips from the chippy as a treat (not on Sundays of course as everything was shut) and eating them in the car.
My mother disliked cooking and we ate the same things week in, week out.
Monday - shepherd's pie.
Tuesday - fish and chips (cooked at home)
Wednesday - potato pie
Thursday - chops
Friday - Herrings or kippers
Saturday - cheese pudding or grilled cheese on a plate
Sunday - roast dinner
We never ate chicken except at Christmans.
Then in the early seventies the Cordon Bleu magazines came out and my mum belatedly took an interest in food, and started cooking things like carbonade of beef or armenian lamb.
But it was too late for me, I had already left home!