Eclairs are best when served within a few hours of assembly. If you have to they are still delicious the next day. Make sure to refrigerate them in a sealed or covered container.

Can eclairs be left out?

Eclair shells can be baked in advance and then kept at room temperature or in the freezer. The shells will last 1-2 days at room temperature and up to 6 weeks in the freezer. To store your eclair shells at room temperature, wait for the shells to cool completely before storing them.

Does eclairs need to be refrigerated?

Just like many other desserts, éclair can be easily refrigerated. Sometimes, you have some éclair pastries left over. Luckily, you can eat them the next day or the following days if your cravings convince.