You can prepare this baked brie en croute up to 2 weeks in advance. Assemble the pastry with the apples and brie as directed, but do not add the egg wash. Wrap it tightly in plastic wrap, then freeze it for up to 1 month.

When you’re ready to bake, unwrap and place it (still frozen) on a parchment-lined baking sheet. Brush with the egg wash and bake at 350 degrees F until the brie is ،t and the pastry is golden, about 45 to 50 minutes.