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French Onion Grilled Cheese Sandwich

French Onion Grilled Cheese Sandwich with Caramelized onions, melty Gruyere and toasty bread. A cozy vegetarian dinner perfect for the colder months! #grilledcheese #sandwich #frenchonion #grilledcheesesandwich #vegetarianrecipes www.feastingathome.com

5 from 1 reviews

French onion Grilled Cheese Sandwich with caramelized onions and gruyere cheese. Serve with a salad for a delicious vegetarian dinner.

Scale

Ingredients

  1. 1 large red, sweet or yellow onion- thinly sliced about 1/8 in thick
  2. 12 olive oil
  3. pinch salt
  4. pinch fresh cracked pepper
  5. 1/4 cup sherry ccoking wine, port, or beef stock ( all optional)
  6. 4 slices hearty Bread or French Bread
  7. 2 T Butter ( or half oil)
  8. 1 Cup grated Gruyere cheese
  9. 1 tsp fresh thyme ( optional) and Whole grain Mustard ( optional)

Instructions

  1. In a large heavy bottom skillet, or cast iron pan, heat oil over medium heat. Add onion and saute for 5 minutes, stirring to coat. Turn heat down to medium low. Stir occasionally and continue sauteing for 20-30 minutes. Onions will sweat out their moisture, and eventually caramelize into a beautiful deep golden brown. Add a generous pinch of salt, a splash of port, sherry, or stock (optional) and let the liquid cook off. Remove from pan and wipe it out with a paper towel, to use again.  Preheat oven to 350 F
  2. Spread the bread with whole grain mustard (optional). On two slices, divide and layer shredded Gruyere, top with caramelized onions, sprinkle with fresh thyme leaves, then add the rest of the cheese. “Put the lid on” the sandwiches with the other slices of bread and gently press together
  3. Heat 2 tablesoons butter (or a combination of butter and oil) in the same skillet over medium heat. Place sandwiches in the pan and toast, carefully flipping when perfectly golden brown and cheese begins to melt. Place in a warm oven to fully melt the cheese -which will preventing the bread from getting too dark. Cut in half and enjoy.

Nutrition

Keywords: grilled cheese sandwich, grown up grilled cheese, French onion grilled cheese sandwich, grilled cheese sandwich recipes