Turn on the toasted sandwich maker so it can heat up
Slice the mushrooms and fry in a little oil until cooked
Lay out the 2 slices of bread and spread with Dijon mustard
Lay out one of the slices of cheese on one piece of bread
Spread the hot mushrooms on top of the cheese
Lay out the slices of ham on top of the mushrooms
Lay out the remaining slice of cheese on the ham
Place the other slice of bread on top of the sandwich and gently push down
Open the toasted sandwich maker and brush the plates with oil
Place the sandwich in the toasted sandwich maker, close, and cook for 10 minutes
