There are UPFs in almost everything we eat. Salad cream, tomato ketchup, non-dairy spreads, and dairy spreads that are not 100% butter, chutneys, baked beans, yoghourt, probably every single bread product in a supermarket. If you buy bread from anyone other than an artisan baker, you are consuming UPFs
lathyrus you are OK with a lump of cheddar or basic cheese, but beware of cheese spreads, or any processed cheese product.
It is easy enough to avoid UPFs if you avoid the usual suspects, but it is all the products that you assume are UPF free but aren't, that catch you by surprise. Sausages, processed meat and fish products, and as I said before sauces, relishes, even some honey products.
We need also to see things in perspective, having salad cream on your salad, or a spoonful of chutney in a cheese sandwich does not immediately condemn you to suddenly looking like Billy Bunter. Look around when you are out - and you will see lots of people of all age who are not overweight, despite UPFs