Open Faced Croque Monsieurs
Prep time
Cook time
Total time
Open Faced Croque Monsieurs on hamburger buns are perfect for leftover ham and a quick and easy recipe for lunch or dinner. The combination of ham and cheese with the sauce in this recipe is perfect!
Recipe type: Dinner
Cuisine: American
For the sauce:
  • 2 tablespoons Butter
  • 2 tablespoons Flour
  • 1 ½ cups Milk
  • ⅛ teaspoon ground Nutmeg
  • Salt & pepper, to taste
  • 1 ¼ cups grated gruyere cheese, divided
  • 4 rolls, homemade or store bought (I used hamburger buns)
  • ¼ cup Dijon mustard
  • 16 thin sliced deli ham or use fresh sliced ham
  1. Preheat oven to 350 degrees. In a small pot, melt butter over medium heat. Stir in flour until paste forms. Cook 1 minute, then whisk in milk. Continue stirring until sauce thickens, 5 minutes. Stir in salt, pepper, nutmeg and 1 cup of the gruyere cheese. Set aside.
  2. Slice rolls in half and spread Dijon mustard over each half. Place into baking dish. Top with 2 slices deli ham. Pour cheese sauce over top and sprinkle with remaining gruyere cheese. Bake 10-15 minutes until hot and bubbly. Serve.
Recipe by Wishes and Dishes at