It’s not always easy to understand French food. American blogger J-Walk is confused:

This is in French, so I’m not sure what it is: Croque-madame aux oeufs de caille. Un oeuf par bouchée, vous imaginez ça ?.
The Babel Fish Translation didn’t help:
Do Crunch-Madam with ruail eggs an egg by mouthful, you imagine that?
Quail eggs?