Croque Monsieur
Croque Monsieur is a delightful French classic that elevates a simple ham and cheese sandwich into a culinary celebration. The golden, crusty brioche pairs beautifully with layers of savory ham, creamy béchamel sauce, and rich Gruyère cheese, all coming together to create a satisfying dish that’s perfect for any meal. As the cheese bubbles and the sandwich toasts in the oven, you can already anticipate the warm, comforting flavors that await you.

I remember the first time I tasted a Croque Monsieur at a quaint little café tucked away in Paris. The aroma of melted cheese and the sight of the crispy bread drew me in, and that first bite transported me straight to culinary heaven. Inspired to recreate that magic at home, I experiment with this recipe to capture that same essence — and I’m thrilled to share it with you today! This recipe is not only easy to whip up but also budget-friendly. It’s sure to impress your family or guests at your next gathering. Get ready for a culinary adventure that’s quick, satisfying, and irresistibly delicious!
Table of Contents
Why You’ll Love This Recipe
- Simple & Quick: With just 5 minutes of prep and 15 minutes of cook time, this recipe is perfect for a weeknight dinner or a satisfying lunch.
- Irresistible Flavor: The combination of nutty Gruyère, savory ham, and creamy béchamel creates a symphony of flavors that’ll have you coming back for seconds.
- Eye-Catching Appeal: Golden-brown and bubbling cheese topped on toasted bread makes for an eye-catching presentation, perfect for impressing guests.
- Flexible Serving: Ideal for brunch, lunch, or even a late-night snack; it’s versatile enough for any occasion.
- Diet-Friendly Options: For a lighter version, consider using low-fat ingredients or substituting gluten-free bread.
Ingredients You’ll Need
- 3 tablespoons butter: This forms the base of the béchamel sauce, giving it a rich flavor. Unsalted butter is preferred for better control over the seasoning.
- 3 tablespoons all-purpose flour: Used to thicken the béchamel sauce. If you’re looking for a gluten-free option, cornstarch can be substituted.
- 1⅔ cups whole milk: Used to create a creamy sauce. If you prefer a lighter version, you can opt for 2% milk, but the richness may be slightly reduced.
- ¾ teaspoon salt: Enhances the flavors of all the ingredients. Adjust according to your taste preference.
- ¼ teaspoon pepper: Adds a mild kick; feel free to use freshly ground black pepper for a more vibrant flavor.
- ⅛ teaspoon ground nutmeg: Just a pinch adds a warm, nutty undertone that complements the béchamel beautifully.
- 3 tablespoons dijon mustard: Provides a tangy contrast to the richness of the cheese and ham. You can swap with yellow mustard if that’s what you have on hand.
- 8 slices brioche bread: Soft and slightly sweet, brioche gives the perfect texture. Challah or another soft bread can be a substitute.
- 12 slices deli ham: Use a good-quality ham for the best flavor; smoked ham adds an extra depth.
- 8 ounces gruyere cheese, shredded: This nutty, melted cheese is essential. If you can’t find Gruyère, Swiss or even a sharp cheddar can work well.
How to Make Croque Monsieur
- Preheat the Oven: Begin by preheating your oven to 425°. Line a baking sheet with foil, making cleanup a breeze later on.
- Make the Béchamel Sauce: In a small saucepan over medium heat, melt 3 tablespoons of butter. Once melted, whisk in 3 tablespoons of all-purpose flour, cooking until it’s bubbly and lightly browned. Gradually whisk in 1⅔ cups of whole milk and continue cooking for 3-4 minutes, until thickened. Bring to a boil, then stir in ¾ teaspoon salt, ¼ teaspoon pepper, and ⅛ teaspoon ground nutmeg. Remove from heat and set aside.
- Assemble the Sandwiches: Spread 3 tablespoons of Dijon mustard on one side of each of the 8 slices of brioche bread and place them on the prepared baking sheet. Add 1 tablespoon of the béchamel sauce over the mustard on each slice, then layer on 3 slices of deli ham and ¼ cup of shredded Gruyère cheese. Top each with the other half of the brioche slices.
- Top with More Sauce and Cheese: Spread another tablespoon of béchamel on top of each sandwich and sprinkle with the remaining Gruyère cheese.
- Bake and Broil: Bake the sandwiches for about 6-7 minutes, or until the cheese is melted. Then broil on low for an additional 4-5 minutes, until the tops are bubbling and slightly browned. Remove from the oven and enjoy warm!
Storing & Reheating
You can store leftover Croque Monsieur at room temperature for about 2 hours. If you’ve got some extra sandwiches, wrap them tightly in plastic wrap or place them in a sealed container to keep them in the refrigerator for up to three days. For longer preservation, freeze them for up to 3 months. To reheat, simply place them in the oven at 350°F for about 10-15 minutes until heated through and crispy again. Keep in mind that while reheating may alter the texture slightly, you can refresh them by broiling for a minute or two.
Chef’s Helpful Tips
- Avoid overcooking the béchamel sauce to ensure it remains creamy.
- For maximum flavor, use room temperature ingredients whenever possible.
- Cooking the sandwiches directly from the refrigerator? Just increase the bake time slightly to ensure they’re heated through.
- If the cheese isn’t bubbling as you want, a minute or two under the broiler can create that golden crust.
- To save time, you can prepare the béchamel sauce a day in advance — just reheat it gently on the stove.
It’s hard not to fall in love with this Croque Monsieur recipe that feels as elegant as it does comforting. Bringing together simple ingredients and classic techniques results in a dish that’s perfect for a casual lunch or an elegant brunch. I encourage you to give it a try — you might find you can’t resist making it often, perhaps even experimenting with your favorite cheeses or adding sautéed mushrooms for added flavor!

Recipe FAQs
Can I make a Croque Monsieur in advance?
What can I use instead of Gruyère cheese?
How do I make this recipe vegetarian?
Can I freeze these sandwiches?
⭐ If you make my Croque Monsieur recipe, Awesome! I would love to hear from you. Please give it a star rating and review below! 👇

Croque Monsieur
Experience the enticing flavors of Croque Monsieur, made with layers of delicious ham, gooey gruyere cheese, and a creamy bechamel sauce. This simple dish is perfect for a quick dinner or a comforting meal enjoyed at home.
- Prep Time 5 minutes
- Cook Time 15 minutes
- Yield 4 servings 1x
Ingredients
- 3 tablespoons butter
- 3 tablespoons all-purpose flour
- 1⅔ cups whole milk
- ¾ teaspoon salt
- ¼ teaspoon pepper
- ⅛ teaspoon ground nutmeg
- 3 tablespoons dijon mustard
- 8 slices brioche bread
- 12 slices deli ham
- 8 ounces gruyere cheese shredded
Instructions
- Preheat your oven to 425°F and line a baking sheet with foil.
- In a saucepan over medium heat, melt butter, then whisk in flour and cook until golden and bubbly.
- Gradually whisk in milk and cook for 3-4 minutes until thickened, then bring to a boil and add salt, pepper, and nutmeg. Remove from heat.
- Spread dijon mustard on one side of each brioche slice and place them on the prepared baking sheet.
- Top each slice with 1 tablespoon of bechamel sauce, followed by 3 slices of ham and a quarter cup of grated Gruyere. Then top with another slice of brioche.
- Spread another tablespoon of bechamel on top and sprinkle with the remaining Gruyere cheese.
- Bake for 6-7 minutes until cheese melts, then broil for an additional 4-5 minutes or until top is golden brown and bubbly.
Notes
For extra flavor, consider adding herbs such as thyme or oregano to the bechamel sauce.
Using fresh Gruyere cheese will enhance the overall taste of the sandwich.
Feel free to customize with your favorite deli meats or cheeses.
Nutrition
- Serving Size: 1 sandwich
- Calories: 480
- Sugar: 3g
- Sodium: 1150mg
- Fat: 24g
- Saturated Fat: 14g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 42g
- Fiber: 2g
- Protein: 18g
- Cholesterol: 70mg
Nutritional information is an estimate. The nutritional values for your final dish may vary based on measuring differences and products used.




