Print

French Onion Grilled Cheese Sandwich Recipe

French Onion Grilled Cheese Sandwich Recipe

5 from 27 reviews

Indulge in the ultimate comfort food with this French Onion Grilled Cheese Sandwich recipe. Caramelized onions, rich cheeses, and aromatic herbs come together between two slices of sourdough bread for a decadent twist on a classic favorite.

Ingredients

Scale

Caramelized Onions:

  • 1 lb yellow onions (about two large onions, peeled and cut into thin strips)
  • 1 tbsp olive oil
  • 1 tbsp butter, unsalted
  • ½ tsp sugar
  • ¼ tsp salt
  • 2 cloves garlic (chopped)
  • 3 tbsp dry red wine (I use malbec)
  • Pinch of cinnamon
  • Ground black pepper

Grilled Cheese:

  • 4 slices sourdough bread (fresh, large slices)
  • 4 tbsp unsalted butter, melted
  • ⅛ tsp dried thyme
  • ⅛ tsp dried rosemary
  • 7 oz white cheddar, shredded (or 4 slices of white cheddar)
  • 3 oz gruyere, shredded

Instructions

  1. Caramelized Onions: Heat olive oil in a large pan, add onions, and cook until soft. Add butter, sugar, salt, cinnamon, and pepper. Cook until browned. Add garlic and deglaze with red wine. Set aside.
  2. Grilled Cheese: Melt butter with herbs, brush onto bread slices. Layer onions, cheddar, and top with remaining bread. Cook in a skillet until golden, then broil in oven. Add gruyere and broil until bubbly. Serve hot.

Notes

  • Be patient when caramelizing onions for the best flavor.
  • Feel free to customize cheese choices to your preference.
  • Adjust herb quantities to suit your taste.

Nutrition

Keywords: French Onion, Grilled Cheese, Sandwich, Comfort Food, Caramelized Onions