01 - Using a bread knife, carefully slice each croissant in half horizontally.
02 - Evenly spread a generous layer of softened goat cheese onto the cut side of each bottom croissant half.
03 - Arrange thin slices of apple over the goat cheese, distributing evenly across each croissant base.
04 - Drizzle with honey or fig jam for a touch of sweetness, if desired.
05 - Top with a layer of arugula or baby spinach and finish with freshly ground black pepper.
06 - Sprinkle with chopped walnuts or pecans for added texture and flavor, if using.
07 - Close each sandwich with the top half of the croissant.
08 - Serve immediately, or wrap and refrigerate for up to 2 hours before enjoying.