INGREDIENTS
12
thin slices Ham, baked
6
Eggs
6 tbsp
Dijon mustard
3 tbsp
All-purpose flour
1
Kosher salt and freshly ground black pepper
1
Nutmeg
1
thick Twelve 3/4-inch-thick slices Pain de mie or pullman bread, lightly toasted
7 tbsp
Butter, unsalted
12 oz
Gruyere cheese, grated
2 cups
Milk
1/2 cup
Parmesan