These Mini Croissant Sandwiches are the cutest bite-sized snacks and incredibly easy to make with puff pastry, egg wash, Dijon mustard, sliced ham, cheese, and arugula.
1: Preheat oven according to puff pastry instructions.
2: Roll out the puff pastry and cut into smaller squares.
3: Prepare the egg wash by whisking together the egg, egg yolk, and water.
4: Brush egg wash on the pastry squares.
5: Spread Dijon mustard on each square.
6: Layer sliced ham and cheese on half of the squares.
7: Top with arugula.
8: Place the other half of the squares on top and seal the edges.
9: Brush tops with egg wash.
10: Bake in the preheated oven until golden brown.
