Can this be made in under 30 minutes?

Yes, the recipe is designed to be quick and efficient.

Does it work for meal prep?

Most versions store well for one to three days.

Yes, simple swaps can be made for convenience or dietary needs.

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Preheat the oven to 350°F (175°C). Grease a 9×13 inch baking dish.
Tear the croissants into large pieces and arrange them in the baking dish.
In a bowl, whisk together the eggs, milk, cream, sugar, vanilla, and salt until well combined.
Pour the custard mixture over the croissant pieces, ensuring they are well soaked.
Sprinkle the chocolate chunks over the top.
Allow it to sit for about 15 minutes so the croissants absorb some of the custard.
Bake in the preheated oven for 30-35 minutes, until the top is golden and puffed.
Let it cool slightly, dust with powdered sugar if desired, and serve warm.

For best results, use slightly stale croissants. Can be assembled the night before and refrigerated.