Best Croque Madame Recipe - How To Make A Croque Madame

Ingredients

• 1 tbsp. butter
• 1 tbsp. all-purpose flour
• 2/3 c. whole milk, warmed
• 1/4 tsp. Pinch kosher salt
• 1/4 tsp. Freshly ground black pepper
• 1/4 c. shredded Gruyère
• 4 slices thick brioche or country bread
• 2 tbsp. butter, softened
• 2 tsp. whole grain Dijon mustard
• 1/2 c. Mornay sauce
• 6 thin slices ham
• 1 c. shredded Gruyère, divided
• 2 large eggs
• Maldon, for sprinkling
• Freshly ground black pepper