Signing you in…

French Onion Grilled Cheese Sandwich

French Onion Grilled Cheese Sandwich prepared dish

This french onion grilled cheese sandwich combines the rich flavors of caramelized onions with gooey melted cheese between crispy, buttery bread. Perfect for a comforting lunch or dinner, this sandwich is sure to satisfy your cravings. Serve it with a side of soup for a complete meal!

This recipe is french style, lunch, scaled for 4 servings, with 15 min prep and 20 min cook.

Prep: 15 min · Cook: 20 min · Total: 35 min · Serves: 4

Quick cooking notes

  • Core ingredients include black pepper, butter, sourdough bread, swiss cheese.
  • Follow all 10 steps in order for the intended texture and doneness.
  • Ingredient quantities listed below are for 4 servings.

Ingredients

  • 1 tsp black pepper
  • 4 tbsp butter (divided)
  • 8 slices sourdough bread
  • 1 cup swiss cheese (shredded)
  • 2 cups gruyère cheese (shredded)
  • 1 tsp thyme (dried)
  • 1 tsp salt
  • 2 medium yellow onion (sliced)

Instructions

  1. Melt 2 tablespoons of butter in a large skillet over medium heat.
  2. Add the sliced yellow onions and salt, stirring to coat the onions in the butter.
  3. Cook the onions for about 15 minutes, stirring occasionally, until they are caramelized and golden brown.
  4. Stir in the black pepper and thyme, then remove the skillet from heat.
  5. In another skillet, melt 1 tablespoon of butter over medium heat.
  6. Place 4 slices of sourdough bread in the skillet and top each with a generous amount of Gruyère and Swiss cheese.
  7. Add a portion of the caramelized onions on top of the cheese, then cover with the remaining slices of bread.
  8. Spread the remaining butter on the outside of the sandwiches.
  9. Cook the sandwiches for about 4-5 minutes on each side, or until the bread is golden brown and the cheese is melted.
  10. Remove the sandwiches from the skillet, slice in half, and serve warm.

Nutrition (per serving)

  • Calories: 450
  • Protein: 18 g
  • Fat: 26 g
  • Carbohydrates: 38 g
  • Fiber: 2 g
  • Sugar: 3 g
  • Sodium: 800 mg

Nutrition values are estimates based on stored ingredient totals and serving size.

Related recipes by cuisine or ingredients