Croque Madame

4 tablespoons butter divided

1 rounded tablespoon all-purpose flour

1 cup milk

Salt and pepper

1/8 teaspoon fresh grated nutmeg eyeball it

2 teaspoons Dijon style mustard

2 slices white bread

2 large eggs

4 slices deli ham

4 slices deli Swiss or Gryuere cheese

Chopped parsley leaves chives or thyme leaves, for garnish - choose from any or all on hand