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Caramelized Onion & Apple Grilled Cheese Sandwich

A sweet and savory grilled cheese sandwich made with caramelized onions, tender apples, and melty cheese.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 2 sandwiches
Course: Dessert, Snack
Cuisine: American, Autumn
Calories: 420

Ingredients
  

Sandwich
  • 2 yellow onions thinly sliced
  • 1 apple thinly sliced
  • 4 slices artisan bread
  • 1.5 cups shredded cheese Gruyere or cheddar
  • 4 tbsp unsalted butter divided

Equipment

  • Mixing bowls
  • Baking sheet
  • Wire rack
  • Hand mixer or stand mixer

Method
 

  1. Slowly caramelize onions in butter and olive oil over medium-low heat until golden.
  2. Lightly sauté apple slices until just tender.
  3. Assemble sandwiches with cheese, onions, and apples.
  4. Grill sandwiches in buttered skillet until golden and cheese is melted.

Notes

Best served immediately while hot and melty.