We really enjoyed this French Onion Soup Grilled Cheese sandwich. I made one each for my husband and me last week on a sandwich and soup night. The more onions the better, and definitely use gruyere cheese.
Loaded veggie grilled cheese sandwich - So good! Instead of putting the spinach in the olive oil leave it raw or cook in chicken stock to eliminate some of the oiliness. Otherwise AWESOME sandwich! Also, use bacon instead of mushrooms.
Best Grilled Cheese Sandwich Ever: The secret step/ingredient - after buttering the bread lightly sprinkle the outside with powder sugar and then lay the sandwich on top of shredded cheese on the grill for that extra crunch.