French Onion Grilled Cheese Sandwich: Cozy Comfort for Lunch
By Isabella Quinn
Servings
4
The French Onion Grilled Cheese Sandwich combines sweet caramelized onions with Gruyère and sharp cheddar cheeses for a delicious lunch or snack. This sandwich can be enjoyed by adults and children on its own or with other guests and is best enjoyed on cooler days. The French Onion Grilled Cheese Sandwich is a flavorful option compared to other grilled cheese sandwiches.
Ingredients
- •2 large yellow onions (thinly sliced)
- •3 tablespoons unsalted butter
- •1 clove garlic (minced)
- •1 teaspoon thyme (fresh or ½ teaspoon dried)
- •salt (to taste)
- •pepper (to taste)
- •4 thick slices baguette or sourdough bread
- •4 ounces Gruyère cheese (shredded)
- •2 ounces sharp cheddar cheese (shredded)
- •¼ cup beef broth (optional)
Instructions
- 1
Heat 2 tablespoons of butter in a large skillet over medium-low heat.
- 2
Add the thinly sliced onions and a pinch of salt.
- 3
Stir occasionally and cook slowly for 25-30 minutes until the onions are deeply golden and caramelized.
- 4
Once the onions are caramelized, stir in the minced garlic and thyme.
- 5
Cook for another 2 minutes until fragrant.
- 6
Pour in ¼ cup beef broth to deglaze the pan, scraping up any browned bits.
- 7
Let it simmer until the liquid nearly evaporates, about 3-4 minutes.
- 8
While the onions finish cooking, shred your Gruyère and cheddar cheese.
- 9
Butter one side of each slice of bread generously.
- 10
Place the bread slices butter-side-down and spread a layer of caramelized onions over two slices.
- 11
Top with the cheese blend, then cover with the remaining bread slices butter-side-up.
- 12
Heat a skillet over medium heat and place the sandwiches in the pan.
- 13
Cook for about 3-4 minutes per side, pressing gently with a spatula.
- 14
Flip carefully to avoid spilling the filling.
- 15
Check for doneness; the sandwich is ready when the bread is golden brown and the cheese is melted.
- 16
Slice the sandwich in half and serve warm.
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