Mushroom Grilled Cheese - cooking recipe

Ingredients

1/2 lb white mushrooms or 1/2 lb brown button mushroom, sliced thinly
2 tablespoons butter
1 tablespoon fresh thyme or 1 tablespoon chives
salt and pepper, to taste
8 slices crusted bread
4 slices raclette cheese (or favorite cheese) or 4 slices smoked gouda cheese (or favorite cheese)
2 tablespoons Dijon mustard (optional)
butter (to grill the sandwiches)
olive oil (to grill the sandwiches)

Preparation

Heat butter in a pan.
Sauteed mushrooms with thyme until golden.
Salt and pepper.
Garnish 4 slices of bread with a slice of cheese, 1/4 of the mixture on each slice, and a little bit of mustard, if wanted.
Cover with the remaining slices of bread.
Heat a little bit of butter and oil in a pan.
Grill sandwiches on each side until they are well golden and the cheese has melted.