01 - Using a bread knife, slice each croissant in half horizontally to create a top and bottom piece.
02 - Evenly spread a thick layer of softened goat cheese across the bottom half of each croissant with a small spatula.
03 - Arrange thin slices of apple in a single layer over the goat cheese.
04 - Drizzle each with honey or fig jam, if desired, for a touch of sweetness.
05 - Layer arugula or baby spinach over the apples and sprinkle lightly with freshly ground black pepper.
06 - Top with chopped walnuts or pecans for crunch, if using.
07 - Place the top half of each croissant over the filling to close.
08 - Serve immediately, or wrap the sandwiches and refrigerate for up to two hours before serving.