Line a rimmed baking sheet with parchment paper.
Lower the puff right into a rectangle, ensuring all sides are trimmed, and place on ready pan. Refrigerate till able to assemble.
Utilizing a pot giant sufficient that the apples can prepare dinner in a
single layer, warmth sugar and butter over medium warmth, whisking collectively to mix and dissolve sugar. Add the apples, in batches, ensuring they aren’t piled on prime of one another,
or they’ll prepare dinner erratically. Prepare dinner till the apples are softened however not falling aside. They might discolor and look brown. That is OK; they’ll even out as they bake within the oven. Utilizing a slotted spoon, take away the apples from the butter combination. Unfold out onto a tray and chill. The butter and sugar combination might be saved and reused; it should hold for a couple of month.
As soon as the apples are properly chilled, layer the apples in tight rows immediately on prime of the puff, leaving a ½” border on all sides. Chill the tart for about half-hour.
Preheat oven to 375°F convection (400°F typical).
Bake till the apples are properly browned and the dough is deep golden brown and cooked by means of, 25 to half-hour, rotating pan midway by means of. Verify the underside to verify there are not any underbaked patches. Take away from oven and brush with Cider Glaze. Finest served piping scorching!
