General:
* Sandwich aux œufs: This is the most literal translation, meaning "sandwich with eggs."
* Sandwich à l'œuf: This means "sandwich with an egg."
Specific Types:
* Sandwich au œuf dur: This translates to "sandwich with hard-boiled egg."
* Sandwich au œuf brouillé: This translates to "sandwich with scrambled egg."
* Sandwich au œuf frit: This translates to "sandwich with fried egg."
Other options:
* Croque-monsieur aux œufs: This means "grilled ham and cheese sandwich with eggs."
* Sandwich au jambon et œufs: This means "ham and egg sandwich."
Ultimately, the best translation depends on the specific kind of egg sandwich you're referring to.