FRENCH ONION & ROAST BEEF GRILLED CHEESE SANDWICH RECIPE - (4.4/5)

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French Onion & Roast Beef Grilled Cheese Sandwich Recipe - (4.4/5) image

Provided by á-34480

Number Of Ingredients 10

1 tablespoon olive oil
1 small onion, sliced
1 teaspoon thyme leaves
Kosher salt
Pepper
4 slices (1/2-inch-thick) rye bread
1 tablespoon unsalted butter or olive oil, melted
1 tablespoon whole-grain mustard
2 ounces Gruyère cheese, grated
2 slices roast beef

Steps:

  • Heat olive oil in a medium skillet over medium heat. Add onion, season with 1/4 teaspoon each salt and pepper, and cook, covered, stirring occasionally, about 5 - 7 minutes. Reduce the heat to medium-low, stir in thyme leaves and cook, uncovered, stirring occasionally, until the onions are golden brown, (add 1 tablespoon water to the skillet if the onions start sticking). Brush one side of each slice of bread with butter or oil. Form sandwiches with the bread, whole-grain mustard, Gruyère cheese, roast beef, and the onion mixture. Cook the sandwiches, covered, until the bread is golden brown and crisp and the cheese has melted, 4 to 5 minutes per side.

Suraj Majhi
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This sandwich was a bit too messy to eat. I think I'll use less filling next time.


Aurora Selzer
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I followed the recipe exactly and the sandwich turned out great! Thanks for sharing this recipe!


Sasanka Silva
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This sandwich was really easy to make and it turned out delicious! I'll definitely be making it again.


DNFJYFBJFNK Sk
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I've made this sandwich several times now and it's always a hit! It's the perfect comfort food.


Amjad Khani
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This sandwich was a bit too greasy for my taste. I think I'll use less butter next time.


RJ Glover
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I made this sandwich for my husband and he loved it! He said it was the best grilled cheese he's ever had.


Mojaefa Makopo
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This sandwich was really easy to make and it turned out great! I'll definitely be making it again.


Evelyn Ochoa
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This sandwich was a bit bland for my taste. I think I'll add some spices next time.


Natalia Allenia
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I followed the recipe exactly and the sandwich turned out great! I highly recommend this recipe.


talha afzal
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This sandwich was a bit too rich for my taste, but it was still good. I think I'll try it with less cheese next time.


android Channel
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I made this sandwich for my kids and they loved it! It's a great way to get them to eat their vegetables.


Md Sarfin
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This sandwich is definitely a keeper! I'll be making it again and again.


Prince Hridoy
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I'm not a big fan of roast beef, but this sandwich was still really good. The caramelized onions and cheese made up for it.


Biplob roy
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Wow! This sandwich was amazing! The flavors were so well-balanced and the cheese was perfectly melted.


Samuel Tarekegn
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This sandwich was easy to make and turned out great! I used a baguette instead of regular bread and it was the perfect choice.


malikyounis younis
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I've made this sandwich several times now and it's always a crowd-pleaser. It's perfect for a quick and easy lunch or dinner.


sharvae love
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This sandwich is a must-try for any grilled cheese lover! The combination of roast beef, caramelized onions, and cheese is simply divine.


Massilia Blgg
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I made this sandwich for lunch today and it was delicious! I used sourdough bread and it was the perfect complement to the flavorful filling.


Sunday Emmanuel
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This French onion roast beef grilled cheese sandwich was a hit with my family! The flavors were amazing and the sandwich was perfectly gooey and cheesy.