What Do You Eat When You're in the UK?

I was so confused for the longest time about what people ate in the UK. My go-to order at Greggs is like, I might have a cheeky sausage drop. Or I'll get two cheese beans and sausage melt. When do you enjoy this? It's like a hangover fooder. If I'm feeling like I've got to get back in touch with my UK roots. But then everywhere in the UK... Is that like going to Japan and never having sushi or something? it's like never going to family. A lot of times we go on and like, what the fuck this takes forever?