Wow....lucky you!
I was weaned on Meat ( varieties ) + 2/3 Veg ( varieties ) plus stodgy pudding and custard....and to be honest, it didn't vary very much. When they finally opened a Tuck Shop, I reckon 50% of the kids abandoned school meals and switched to Mars Bar and Crisps.
In the 1950's - none! It was awful 'food' that you had to sit and eat before being allowed to leave the canteen. 60+ years later I still cannot stomach swede, turnip, parsnip or beetroot.
I used to love the delicious frothy white sauce that was drizzled over various puddings. I remember asking a dinner lady what it was but she wouldn't let me in on the secret.
It was only in adulthood I figured out it was just evaporated milk that had been whipped up.
I went to grammar school in Kent, so Gypsy Tart, Gypsy Tart and Gypsy Tart all the way.
Basically brown sugar, evaporated milk and more brown sugar whipped up into a cream and baked in pastry. It can probably make all your teeth fall out from 50 paces, but when you are 12 with a sweet tooth it was the best thing ever.
Strangely not that many people outside of Kent seem to know of it.
Always liked the shepherds pie and then chocolate sponge and chocolate custard for dessert. We used to argue over who would get the skin off the custard.
Fish Fingers, Chips and Baked Beans, it was during one of these meals I was introduced to the concept of salad cream on chips in 1980, and the rest they say is history, obviously I’ve upgraded to mayo now.