french onion sandwich recipe

Written BySheba G Updated On
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The Best french onion sandwich recipe

I’ve always been a fan of French onion sandwiches, and my family loves them too. The combination of sweet caramelized onions, melted cheese, and fresh thyme on crispy bread is a winner.

I first discovered this recipe in a cookbook from the 1970s, and it’s been a staple in our household ever since. What I love most about this recipe is how easy it is to make – just slice up some onions, sauté them in butter until they’re golden brown, and assemble the sandwich with some crusty bread and a sprinkle of thyme.

It’s perfect for a quick lunch or dinner, and it’s also a great addition to any family gathering or special occasion. Plus, the health benefits are numerous – onions are packed with antioxidants and fiber, while thyme has antimicrobial properties that can help boost your immune system.

So why not give this recipe a try? I promise you won’t be disappointed.

The next time you’re looking for a delicious and satisfying meal that’s also good for you, look no further than this French onion sandwich recipe. Whether you’re serving it at home or taking it on the go, this sandwich is sure to be a hit with both kids and adults alike.

French Onion Sandwich

4.7 from 1586 votes

A warm and comforting sandwich featuring caramelized onions, melted cheese, and savory beef, served on a toasted bread. This recipe is a must-try for any occasion.

Prep Time20 mins
Cook Time30 mins
Resting Time0 mins
Total Time50 mins
Servings: 4Cuisine: InternationalCalories: 550 kcal

🥘Ingredients

For the Beef Mixture

1 lb ground beef
1 large onion
2 cloves garlic

For the Onion Mixture

2 large onions
2 tbsp butter
1 tsp salt
1 tsp sugar

For the Sandwich

8 slices bread
4 slices cheddar cheese
1 tbsp butter

👨‍🍳Directions

1In a skillet, cook the ground beef over medium heat until browned and cooked through, about 5-7 minutes.
2Drain excess fat and set aside.
3In the same skillet, add 2 tablespoons of butter over medium heat.
4Thinly slice the onions using a mandoline or sharp knife.
5Add the onions to the skillet and cook, stirring occasionally, until they begin to soften and turn translucent, about 5 minutes.
6Add 1 teaspoon of salt and 1 teaspoon of sugar to the onions.
7Continue to cook, stirring occasionally, until the onions are deeply caramelized and have a rich, golden color, about 15-20 minutes.
8If the onions start to stick, add a small amount of water to the skillet.
9Add the cooked beef and 2 cloves of minced garlic to the caramelized onions.
10Stir to combine and cook for an additional 2-3 minutes until the garlic is fragrant and the beef is heated through.
11While the beef and onion mixture is cooking, toast the bread slices in a toaster or under the broiler until golden brown.
12Spread a thin layer of butter on one side of each bread slice.
13Place a slice of cheddar cheese on the unbuttered side of 4 of the bread slices.
14Spoon the beef and onion mixture evenly onto the cheese-covered bread slices.
15Top with the remaining bread slices, buttered side up.
16Press down gently to seal the sandwiches.

🔧Equipment

Skillet
Spacial
Bread knife

📊Nutrition Facts (per serving)

🔥Calories: 550 kcal🧈Total Fat: 28g💛Saturated Fat: 14g❤️Cholesterol: 100mg🧂Sodium: 1200mg🌾Total Carbs: 40g🥦Dietary Fiber: 3g🍬Sugars: 8g🥩Protein: 30g

📝Notes

Tips: For a vegetarian option, omit the ground beef and double the amount of caramelized onions. Serve with a side of french fries or a simple green salad.

This French onion sandwich recipe is always a good idea for any occasion – whether it’s a quick weeknight dinner or a special gathering with friends and family.

One of my favorite ways to serve it is on toasted baguette slices with a side salad or soup for a satisfying meal that’s easy to prepare.

For storage ideas, simply wrap leftover sandwiches tightly in plastic wrap or aluminum foil and refrigerate at 40°F (4°C) or below for up to 3 days.

❓ Frequently Asked Questions About French Onion Sandwich

Q: What type of cheese should I use for this recipe?

For this French onion sandwich recipe, I recommend using a high-quality cheddar cheese that’s rich and creamy. You can also experiment with other types of cheese like Gruyère or Comté for a slightly different flavor profile.

Q: Can I use pre-sliced onions instead of slicing them myself?

No, I wouldn’t recommend using pre-sliced onions for this recipe. While they may save you some time upfront, they often lack the depth of flavor that comes from caramelizing fresh onions from scratch.

Q: How long do I need to sauté the onions to get them nice and caramelized?

The key to getting perfectly caramelized onions is to cook them slowly over low heat for at least 20-30 minutes, stirring occasionally. This will help break down the cell walls of the onions and release their natural sweetness.

Q: Can I assemble the sandwiches ahead of time?

No, I wouldn’t recommend assembling the sandwiches too far in advance. The bread will start to get soggy from the moisture in the onions, so it’s best to assemble them just before serving.

Q: What’s the best way to store leftover sandwiches?

To keep leftover sandwiches fresh for longer, store them in an airtight container in the refrigerator at 40°F (4°C) or below. You can also freeze them for up to 3 months if you prefer.

Hi, I’m Sheba G, the creator behind **Sheba’s Recipe**, where I share my favorite homemade dishes and easy recipes anyone can try. I love experimenting in the kitchen and helping others enjoy simple, flavorful meals with confidence.

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