the custard is cooling in the fridge. You can make this just before assembling the Mille-Feuille as it sets quickly.

Assembling the Mille-Feuille (15 minutes). Once the puff pastry and custard are ready, it’s time to assemble the layers. This is the final step before slicing and serving!

Overall, the process may seem a bit daunting at first, but with careful planning and following the step-by-step instructions provided, you can create a truly authentic and delicious Mille-Feuille right in your own kitchen. The end result is well worth the effort and is sure to impress anyone lucky enough to taste it. Enjoy the process and the satisfaction of creating a classic French pastry masterpiece!