Hi OP, yeah your food sounds very similar to mine. The only difference was that for dinners we rarely had dessert and it was always meat and veg. Occasionally we'd have fish. If we did have dessert it was homemade and after Sunday lunch- e.g an apple crumble. In summer it was strawberries with cream.
My packed lunch was bad by today's standards - very similar to yours. Ham sandwich and a penguin with a capri sun, a pack of mini cheddars. However, thankfully for primary school I didn't do packed lunch for very long. I had a school dinner and I went to a private primary. The food was fresh cooked on site and it was epic - really nice. But school holidays and my Mum's packed lunch.....haha, it was dreadful. She didn't know.
I wasn't allowed to eat pepparami's or have those twist n something drinks. They were in pink plastic bottles and you twisted the cap off, can't remember what they were called - twist something. My Mum tried one and said - that's awful you're not drinking that. So she had the insight to follow her nose a bit with things like this.
She hated McDonald's she said it tasted like cardboard and who knows what's in it. So again we rarely had it.
But otherwise it was just lack of awareness/food education. Processed food was relatively new. Everyone was eating coco pops for breakfast.
Every breakfast was UPF, every lunch she made the same and every snack. I was just spared the worst of it by my lovely school dinners and my Mum's traditional view on dinners.
The thing to remember though was UPFs weren't as bad as they are today. I bet if you compared a loaf of Warburton from 1985 to Warburton in 2015 you'd see a marked difference. Nowadays in 2025 you might see a tad of an improvement. But that's just a guess.
But you're not alone. I certainly wasn't a 'weird kid'. Everyone's lunch box looked like mine and everyone had cornflakes, frosties or cocopops for breakfast. When I got home from school it was always a bowl of cereal as the snack.
I got pick'n'mix on a Friday.
Oh and I never drank water it was vimto/Ribena or apple juice. I don't think i had a glass of water until I was about 15yrs old and 'Just 17' mag started on about all the supermodels drinking it!