Use double cream brie for the best melting and creamy texture; Camembert is an alternative but has a stronger flavor and aroma., Do not remove the rind from the brie before baking; it keeps the cheese contained and creamy inside the pastry., This dish can be prepped ahead; assemble and tightly wrap in aluminum foil sprayed with non-stick spray, then chill until baking., Variations include adding pumpkin apple butter, raspberry jam, caramelized onions, honey with chopped figs, brown sugar with toasted walnuts, or sautéed mushrooms to the filling., Leftovers store well in an airtight container in the fridge for up to 2 days; reheat gently in the oven at 350°F for 10-15 minutes to restore warmth and gooeyness., For a make-ahead option, refrigerate the assembled pastry and add extra baking time if baked directly from the fridge., Sweet variations: use pears or add dried cranberries or chopped dates., Savory variations: add fresh herbs like thyme or rosemary with caramelized onions or mushrooms., Nutty variations: add chopped toasted pecans or walnuts to the apple mixture., Serving suggestions include crisp apple slices, crunchy crackers, fresh baguette rounds, or a full cheese board with cured meats, olives, and nuts paired with chilled white wine or sparkling cider.