What we call squares here would be sold as ‘Nanaimo squares’ https://en.m.wikipedia.org/wiki/Nanaimo_bar
They’re delicious but terrible for you.
It was a hard hurdle to get past, but when you can finally not reward yourself with food, it makes a big difference to weight loss. I was able to replace it with buying small things for myself that I would reward myself with after a great day at work or tough workout. I keep the price around $3 so it didn’t get too expensive, but not taking calories as a reward is mega-powerful, and led to parenting wins as well, substituting for them with pokemon card packs or video game time.