How do you say jellybread in french?

There isn't a direct, widely used translation for "jellybread" in French. The closest equivalent would be:

Pain au confiture:

* Pain: Bread

* Confiture: This is a general term for jam, jelly, or preserves.

You could also say:

* Pain beurré avec de la confiture: This literally translates to "buttered bread with jam" and might be a more descriptive way to say it.

Keep in mind that French culture doesn't have a specific tradition of eating jellybread like some Anglophone cultures do. If you're using the term in a casual context, explaining what you mean is usually sufficient.