MUSHROOM CROQUE-MONSIEUR

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Mushroom Croque-Monsieur image

This traditional French sandwich is topped with a classic Mornay sauce (a béchamel sauce with cheese).

Provided by Marlena Spieler

Categories     Sandwich     Mushroom     Lunch     Parmesan     Ham     Bon Appétit     Sandwich Theory     Peanut Free     Tree Nut Free     Soy Free

Yield Makes 6 servings

Number Of Ingredients 17

Mornay sauce:
1 1/2 tablespoons butter
1 1/2 tablespoons all purpose flour
1 1/2 cups whole milk
1 bay leaf
1/2 cup finely grated Parmesan cheese
Pinch of freshly grated nutmeg
Hot pepper sauce
Sandwiches:
1 8-ounce package crimini (baby bella) or button mushrooms, trimmed
7 tablespoons butter, room temperature, divided
2 tablespoons minced shallot
12 1/3-inch-thick slices egg bread
6 thin ham slices
12 ounces Gruyère cheese; 9 ounces thinly sliced, 3 ounces grated
2 tablespoons grated Parmesan cheese
Fresh tarragon leaves (optional)

Steps:

  • For mornay sauce:
  • Melt butter in heavy-medium saucepan over medium heat. Add flour; stir until pale golden, about 2 minutes. Whisk in milk. Add bay leaf. Increase heat to medium-high; whisk until mixture begins to boil. Reduce heat to medium; stir until sauce coats back of spoon, about 5 minutes. Remove from heat. Add cheese and nutmeg. Season with hot sauce, salt, and pepper.
  • For sandwiches:
  • Place mushrooms in processor. Using on/off turns, process until finely chopped. Melt 3 tablespoons butter in large skillet over medium-high heat. Add mushrooms and shallot; stir until mushrooms are browned and dry, about 8 minutes. Transfer to plate to cool.
  • Preheat broiler. Spread remaining butter over 1 side of bread slices. Place bread, buttered side up, on rimmed baking sheet. Broil until golden, watching closely and rotating sheet halfway through broiling, about 3 minutes. Cool bread. Preheat oven to 450°F. Turn 6 bread slices over; top with ham and sliced cheese. Top with remaining bread slices, broiled side up. Press to compress. Spread about 2 tablespoons sauce over sandwiches, leaving 1/3-inch plain border. Divide mushroom mixture atop sauce. Sprinkle with grated Gruyère and Parmesan.
  • Bake sandwiches until cheese inside melts and cheese on top turns golden, about 10 minutes. Top with tarragon, if desired.

Victor Adeleke
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This was a great recipe! I used a sourdough bread and it turned out perfectly crispy. The mushrooms were also very flavorful. I would definitely recommend this recipe.


Regina Danielson
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I made this for my family and they loved it! The kids especially enjoyed the gooey cheese and the crispy bread. I will definitely be making this again.


Matt Duval
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This was a delicious and easy recipe. I used a store-bought béchamel sauce to save time, and it turned out great. The sandwich was crispy on the outside and gooey on the inside, just the way I like it.


Blaise Smith
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I'm not usually a fan of mushrooms, but this sandwich changed my mind. The mushrooms were cooked perfectly and had a lovely earthy flavor. The sandwich was also very cheesy and gooey, which I loved.


Nate Carrey
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This croque monsieur was amazing! The mushrooms were perfectly cooked and the béchamel sauce was rich and creamy. The sandwich was also very cheesy and gooey, which I loved.


Charlene Martinez
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This was a great recipe! I used a sourdough bread and it turned out perfectly crispy. The mushrooms were also very flavorful. I would definitely recommend this recipe.


Aninha Azevedo
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I made this for my family and they loved it! The kids especially enjoyed the gooey cheese and the crispy bread. I will definitely be making this again.


Ayaat Amir
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This was a delicious and easy recipe. I used a store-bought béchamel sauce to save time, and it turned out great. The sandwich was crispy on the outside and gooey on the inside, just the way I like it.


SecondHoovy
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This recipe was easy to follow and the sandwich turned out great. I used a whole wheat bread and it was still very crispy. The mushrooms were also very flavorful. I would definitely recommend this recipe.


Jharna Giri
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I love croque monsieurs, and this mushroom version is one of the best I've ever had. The mushrooms were cooked perfectly and the béchamel sauce was rich and creamy. The sandwich was also very cheesy and gooey, which I loved.


Milli Lundberg
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This was a great recipe! I used a sourdough bread and it turned out perfectly crispy. The mushrooms were also very flavorful. I would definitely recommend this recipe.


Mondlikayise Kunene
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I'm not a big fan of sandwiches, but this one was really good. The combination of the mushrooms, cheese, and béchamel sauce was perfect. I would definitely make this again.


Evan Jackson
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This recipe was a bit more work than I expected, but it was worth it. The sandwich was amazing! The mushrooms were flavorful and the béchamel sauce was creamy and rich. I would definitely recommend this recipe.


Eshetu Debela
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I made this for my family and they loved it! The kids especially enjoyed the gooey cheese and the crispy bread. I will definitely be making this again.


Sy'Asia Wright
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This was an easy and delicious recipe. I used a store-bought béchamel sauce to save time, and it turned out great. The sandwich was crispy on the outside and gooey on the inside, just the way I like it.


Md Sohag Boiyan
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I'm not usually a fan of mushrooms, but this dish changed my mind. The mushrooms were perfectly cooked and had a lovely earthy flavor. The sandwich was also very cheesy and gooey, which I loved.


nonhlanhla masango
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This mushroom croque monsieur was an absolute delight! The combination of flavors and textures was perfect, and the béchamel sauce was rich and creamy. I'll definitely be making this again.