Croque Madame Sandwich
Prep Time: 15 min
Cook Time: 25 min
Ingredients
- ✓ 4 tablespoons salted butter, softened, divided
- ✓ 1 ½ tablespoons all-purpose flour
- ✓ 1 cup milk
- ✓ 2 ounces grated Gruyere cheese
- ✓ ¼ teaspoon salt, or to taste
- ✓ ¼ teaspoon ground black pepper, or to taste
- ✓ ⅛ teaspoon ground nutmeg
- ✓ 4 slices white bread, lightly toasted
- ✓ 2 teaspoons Dijon mustard
- ✓ 2 thin slices Black Forest ham
- ✓ 2 large eggs
- ✓ 1 tablespoon water
- ✓ 1 teaspoon chopped fresh dill, or to taste