01 - Slice each croissant in half horizontally using a bread knife.
02 - Smooth a generous layer of softened goat cheese onto the lower halves of the croissants.
03 - Arrange thin apple slices evenly over the goat cheese.
04 - Drizzle with honey or fig jam if preferred.
05 - Place arugula or baby spinach on top and season lightly with black pepper.
06 - Sprinkle chopped walnuts or pecans over the greens, if using.
07 - Close each sandwich with the upper croissant halves.
08 - Serve immediately, or wrap and refrigerate for up to two hours.