The Croque Monsieur is a classic French grilled ham and cheese sandwich known for its crispy exterior and creamy béchamel sauce. This gluten free version keeps all the indulgent flavors intact while using gluten free bread, making it perfect for those avoiding gluten but craving a rich, comforting sandwich that works for lunch or a casual dinner.
Ingredients
- 4 slices gluten free bread (white or sourdough style, about 1/2 inch thick)
- 2 tablespoons unsalted butter (softened, plus extra for frying)
- 2 teaspoons gluten free all-purpose flour
- 3/4 cup whole milk (room temperature)
- 1/4 teaspoon Dijon mustard
- Pinch of ground nutmeg
- 4 slices cooked ham (about 4 ounces total)
- 4 ounces Gruyère cheese, grated (or Swiss cheese as a substitute)
- Salt and freshly ground black pepper, to taste
- Optional: 1 tablespoon grated Parmesan cheese (for topping)
Instructions
- Prepare the béchamel sauce: In a small saucepan, melt 2 tablespoons of butter over medium heat. Once melted and bubbling, whisk in the gluten free flour and cook for about 1 minute, stirring constantly to avoid browning.
- Gradually add the milk in a slow, steady stream while whisking continuously to prevent lumps. Continue cooking and whisking until the sauce thickens and coats the back of a spoon, about 4-5 minutes.
- Remove from heat and stir in the Dijon mustard, nutmeg, salt, and pepper. Set aside.
- Assemble the sandwiches: Lay out two slices of gluten free bread on a clean surface. Spread a thin layer of béchamel sauce on each slice.
- Distribute the ham evenly over the two slices. Sprinkle half of the grated Gruyère cheese over the ham.
- Top each with the remaining two slices of bread. Spread a thin layer of béchamel sauce on the top of each sandwich, then sprinkle the remaining Gruyère and optional Parmesan cheese on top.
- Cook the sandwiches: Heat a large non-stick skillet or griddle over medium heat and add a small pat of butter.
- Place the sandwiches in the pan and cook until the bottom is golden brown and the cheese starts to melt, about 3-4 minutes.
- Carefully flip the sandwiches and cook the other side until golden and the cheese is fully melted, another 3-4 minutes. During the last minute, cover the pan with a lid to help melt the cheese through.
- Remove from heat and let rest for 1-2 minutes before slicing in half and serving.
Tips
- Bread choice: Use a sturdy gluten free bread that holds up well to grilling. Avoid very soft or crumbly types to prevent falling apart during cooking.
- Make béchamel ahead: The sauce can be made a day ahead and refrigerated. Reheat gently with a splash of milk to loosen it before assembling.
- Cheese alternatives: If Gruyère is unavailable, Emmental, Jarlsberg, or a mild Swiss cheese can be good substitutes with similar melting properties.
- Don’t skip the mustard: Dijon adds depth to the béchamel and balances the richness of the cheese and ham.
Serving Suggestions
Serve your gluten free Croque Monsieur with a simple green salad dressed lightly with lemon vinaigrette to cut through the richness of the sandwich. A side of pickles or cornichons adds a nice acidic contrast. For a heartier meal, pair it with a cup of French onion soup or a bowl of tomato basil soup. A crisp white wine like Sauvignon Blanc or a light lager beer complements the nutty cheese flavors well.
Variations
Gluten Free Croque Madame: Add a fried or poached egg on top of the sandwich just before serving for a classic Croque Madame variation. The runny yolk adds creaminess and extra protein.
Vegetarian Option: Replace the ham with sautéed mushrooms and spinach for a vegetarian-friendly version that still delivers on flavor and texture.
Smoky Twist: Use smoked ham or add a few drops of smoked paprika to the béchamel sauce for a deeper, smoky flavor profile.
Dairy-Free Adaptation: Substitute the butter with olive oil or dairy-free spread, use a dairy-free milk alternative for the béchamel, and choose a dairy-free melting cheese to make this recipe suitable for dairy intolerance.
Storage and Reheating
Store leftover Croque Monsieur sandwiches wrapped tightly in plastic wrap or in an airtight container in the refrigerator for up to 2 days. To reheat, place the sandwich on a baking sheet and warm in a preheated oven at 350°F (175°C) for about 10-12 minutes until heated through and the cheese is melty again. Avoid microwaving, as it tends to make the bread soggy. Alternatively, reheat in a skillet over medium-low heat, flipping occasionally.
Frequently Asked Questions
Can I use gluten free sandwich thins or rolls instead of bread?
While possible, sandwich thins or rolls may not provide the same sturdy base needed for béchamel and melting cheese. If using rolls, slice them horizontally and toast lightly before assembling to avoid sogginess.
Is Gruyère essential for authentic flavor?
Gruyère is traditional because of its nutty, creamy melt, but Swiss cheese or Emmental are acceptable substitutes. Avoid cheeses that don’t melt well, like cheddar, to maintain the proper texture.
How can I make the béchamel sauce thicker or thinner?
If your sauce is too thin, cook it a little longer while whisking to evaporate excess moisture. To thin it, whisk in small amounts of milk gradually until you reach the desired consistency.
Can I prepare this sandwich vegan or dairy-free?
Yes, by using dairy-free butter, plant-based milk, and vegan cheeses designed for melting, you can create a similar sandwich. Adjust seasonings to taste, as béchamel flavor will differ slightly.
What’s the best way to prevent gluten free bread from falling apart?
Choose a denser, sturdier gluten free bread and toast it lightly before assembling. Avoid overloading with wet ingredients and handle gently when flipping during cooking.
Can I freeze assembled Croque Monsieur sandwiches?
It’s best to freeze components separately—bread and béchamel sauce freeze better than the assembled sandwich. If freezing assembled sandwiches, wrap tightly and consume within 1 month. Reheat gently to avoid sogginess.
Enjoy this gluten free Croque Monsieur recipe as a delicious way to indulge in French comfort food without gluten, perfect for any meal of the day.
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