HOW TO MAKE IT
Let's cook.
01
Preheat your oven or toaster oven to 350°F (175°C).
02
Slice each croissant in half horizontally using a serrated knife.
03
Spread a thin layer of Dijon mustard on the bottom half of each croissant.
04
Place two slices of Gruyere cheese on the bottom half, followed by two slices of ham.
05
Place the assembled sandwiches on a baking sheet and toast for 5 to 7 minutes until the cheese is melted and the croissant is golden.
06
Remove from the oven, open slightly to tuck in a handful of fresh arugula, and close.
07
Serve immediately while warm and crisp.
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