Why are they called profiteroles?
As far as the name profiterole, we can trace it in the English language back in 1600, deriving from the French langauge. The original meaning was a type of small reward (profit), when a treat was offered as recompense.
What are profiteroles made of?
Profiteroles are small, round French pastries made with pâte à choux (choux pastry dough), the same crispy pastry used to make éclairs and cream puffs. In France, pastry chefs fill profiteroles with everything from savory mousse to sweet custard.
What is the difference between eclairs and profiteroles?
The main difference between Eclairs and Profiteroles is the shape given to the Choux Pastry: one is thin and long while the other one is small and round. The filling is often also different.