French Onion Grilled Cheese Sandwich
French Onion Grilled Cheese Sandwich with caramelized onions and melted cheese, a rich and comforting meal.
Ingredients
- 2 large yellow onions thinly sliced
- 3 tablespoons butter
- 1 tablespoon olive oil
- 4 slices sourdough bread
- 1 cup shredded Gruyère cheese
- ½ cup Swiss cheese optional
- ½ teaspoon salt
- ¼ teaspoon black pepper
- 1 teaspoon fresh thyme optional
Instructions
- Heat butter and olive oil in a pan over medium-low heat.
- Add sliced onions and cook slowly, stirring occasionally, until caramelized.
- Season onions with salt, pepper, and thyme if using.
- Remove onions from pan and set aside.
- Butter one side of each bread slice.
- Place bread in pan, butter side down.
- Add cheese, caramelized onions, and more cheese.
- Top with another slice of bread.
- Cook over medium heat until golden brown on both sides and cheese is melted.
- Slice and serve warm.
Notes
Cook onions slowly for best flavor.
Use medium heat to avoid burning bread.
Serve immediately for best texture.
Use medium heat to avoid burning bread.
Serve immediately for best texture.