French Onion Grilled Cheese
Author: 
 
Ingredients
  • 4 tablespoons unsalted butter
  • 1 pound yellow or Vidalia onions, peeled, halved and thinly sliced
  • Kosher salt and black pepper
  • 2 teaspoons sherry, red-wine or white-wine vinegar (optional)
  • 4 ounces Gruyere cheese, grated
  • 4 slices bread, cut no wider than ½-inch thick
Instructions
  1. STEP 1
  2. In a large skillet over medium-high heat, melt 2 tablespoons butter.
  3. Add the onions and season with salt and pepper.
  4. Cover and cook, stirring once or twice, until the onions are softened, 3 to 5 minutes.
  5. Uncover, reduce the heat to medium-low.
  6. Cook, stirring occasionally, until deep golden brown, 20 to 25 minutes.
  7. If the onions look dry or like they might burn, add a few tablespoons of water.
  8. Scrape up any browned bits that are stuck to the bottom of the skillet.
  9. Wipe out the skillet, or wash it, if necessary.
  10. STEP 2
  11. Add the cheese to the onions and stir to combine.
  12. Put down two slices of bread.
  13. Scoop half of the cheese-onion mixture onto each one.
  14. Top with the remaining slices of bread, and press down gently.
  15. STEP 3
  16. In the skillet, melt 1 tablespoon butter over medium heat.
  17. Add the sandwiches and cook until the bottoms turn golden brown, 3 to 4 minutes.
  18. Reduce the heat to prevent toast from darkening too quickly, if needed.
  19. Add the remaining 1 tablespoon butter, flip the sandwiches.
  20. Press down and cook until the cheese has fully melted and the bottoms turn golden brown, 3 to 4 minutes.
  21. Serve immediately.
Recipe by Hopelessly Hopeful at http://www.hopelessly-hopeful.com/2019/10/28/french-onion-grilled-cheese/