01 - Slice each croissant in half horizontally using a bread knife.
02 - Generously spread softened goat cheese on the bottom half of each croissant.
03 - Arrange the apple slices evenly over the goat cheese.
04 - Drizzle honey or fig jam over the apples, if desired.
05 - Top with arugula or baby spinach and finish with freshly ground black pepper.
06 - Sprinkle with chopped walnuts or pecans for extra texture, if using.
07 - Place the top half of each croissant over the fillings and gently press.
08 - Serve immediately, or wrap and refrigerate sandwiches for up to 2 hours.