I’ve always thought that “to eat humble pie” was a neat phrase – almost poetic. Imagine capturing the essence of humble and baking it into a pie. Sadly its origins are somewhat more… ahem… humble. And humble pie would, in fact, probably taste a bit like haggis.
You see umble pie (minus the h) was a pie eaten by the lower classes in the 15C that was made from organs. That’s what umbles are. So the humble nature of the repast got mixed up with the umbles, to become humble pie. Not quite so poetic, but kind of neat in its own way, no?