French Onion Grilled Cheese (Printable View)
Caramelized onions, Gruyère, and Swiss melt together in a savory, golden grilled cheese sandwich.
# Ingredient List:
→ Caramelized Onions
01 -
2 tablespoons unsalted butter
02 -
2 medium yellow onions, thinly sliced
03 -
Salt, to taste
04 -
Freshly ground black pepper, to taste
→ Sandwich Assembly
05 -
4 slices rustic sourdough bread
06 -
2 tablespoons mayonnaise
07 -
1 tablespoon Dijon mustard
08 -
3 ounces Gruyère cheese, shredded
09 -
2 ounces Swiss cheese, shredded
10 -
1 tablespoon unsalted butter
# Preparation Steps:
01 -
Melt 2 tablespoons unsalted butter in a large skillet over medium heat. Add the sliced onions and sauté for 10 to 12 minutes, stirring occasionally, until golden brown and deeply caramelized. Season with salt and pepper. Remove onions from skillet and set aside.
02 -
Lay out the bread slices. Spread a thin layer of mayonnaise on one side of each slice. Flip the slices over and spread a layer of Dijon mustard on the opposite side.
03 -
Divide the shredded Gruyère and Swiss cheeses evenly over the mustard side of two bread slices. Spoon caramelized onions over the cheese, then top with the remaining bread slices, mayonnaise side facing out.
04 -
In the same skillet, melt 1 tablespoon unsalted butter over medium heat. Add assembled sandwiches and cook for 4 to 5 minutes per side, pressing gently with a spatula, until bread is golden brown and cheese is melted.
05 -
Remove sandwiches from the skillet. Let cool slightly, then slice diagonally and serve hot.
# Supplementary Details:
01 -
Allow onions to caramelize slowly to develop their natural sweetness and achieve deep golden color.