French Onion Grilled Cheese Sandwich

Pamela Rappaport


If you like French onion soup, you'll love these sandwiches. They taste like the best parts of the soup.


★★★★★ 1 vote

10 Min
30 Min


  • 1
    small onion, sliced
  • 2 tsp
  • 1 tsp
  • 2 Tbsp
  • 1 tsp
    beef consume concentrate, i use better than bullion
  • 2 c
    grated gruyere cheese, lightly packed
  • 4 slice
  • 2 tsp

How to Make French Onion Grilled Cheese Sandwich


  1. Add oil, onion, and sugar to skillet.
  2. Cook over low to med low heat until onion begins to caramelize. Stir frequently. Approximately 20 minutes.
  3. Once onion begins to caramelize, add beef concentrate and water. Cook until water evaporates and remove from skillet.
  4. Butter bread and place two pieces butter side down in skillet.
  5. Spread half of the cheese on the bread.
  6. Top with half of the onions.
  7. Add the rest of the cheese and top with the other two pieces of buttered bread.
  8. Grill on medium to medium low until golden brown on one side.
  9. Flip and grill until other side is golden brown.

Printable Recipe Card

About French Onion Grilled Cheese Sandwich

Main Ingredient: Dairy
Regional Style: French
Hashtag: #sandwich

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