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Caramelized Onion & Apple Grilled Cheese Sandwich

A gourmet grilled cheese sandwich layered with caramelized onions, tender apples, and melty sharp cheddar on golden sourdough bread.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 2 sandwiches
Course: Main Dish, Sandwich
Cuisine: American
Calories: 520

Ingredients
  

  • 4 slices sourdough bread
  • 1 yellow onion thinly sliced
  • 1 apple thinly sliced
  • 1.5 cups sharp cheddar cheese shredded
  • 2 tbsp butter
  • 1 tbsp olive oil
  • 0.5 tsp salt
  • 0.25 tsp black pepper
  • 0.5 tsp fresh thyme optional

Equipment

  • Skillet
  • Spatula

Method
 

  1. Heat olive oil in a skillet over medium-low heat. Add onions and salt; cook 20–25 minutes until caramelized.
  2. Add butter to skillet and sauté apple slices 3–5 minutes until tender.
  3. Butter one side of each bread slice. Place one slice butter-side down in skillet.
  4. Layer cheese, onions, apples, and more cheese. Top with remaining bread slice.
  5. Cook 3–4 minutes per side until golden brown and cheese is melted.

Notes

Cook on low heat to allow cheese to melt without burning the bread.