→ Main Ingredients
01 -
4 large croissants, sliced in half
02 -
8 slices of deli ham (about 200g)
03 -
8 slices of Swiss cheese (or Gruyère, about 120g)
04 -
2 tbsp Dijon mustard (optional)
05 -
2 tbsp mayonnaise (optional)
06 -
2 tbsp unsalted butter, melted