01 - Cut each croissant in half horizontally using a bread knife.
02 - Coat the bottom half of each croissant with a generous layer of softened goat cheese.
03 - Arrange sliced apple evenly over the goat cheese on each croissant.
04 - Drizzle honey or fig jam over the apple slices if desired.
05 - Top with arugula or baby spinach and season with freshly ground black pepper.
06 - Sprinkle with chopped walnuts or pecans for added crunch, if using.
07 - Close each croissant with the top half and gently press.
08 - Serve immediately, or wrap and refrigerate for up to two hours.