Creating your own Pear & Apple Grilled Cheese With Caramelized Onions is simple if you follow these steps:

1. Caramelize the Onions: In a skillet, heat the butter and olive oil over medium heat. Add the sliced onions and a pinch of salt. Cook slowly, stirring occasionally, until the onions are soft and caramelized, about 15-20 minutes. Set aside.
2. Prepare the Bread: While the onions are cooking, lay out your slices of bread on a clean surface.
3. Layer the Ingredients: On one slice of bread, layer the cheddar cheese, followed by the pear slices, apple slices, and then the brie cheese. Top with the caramelized onions.
4. Season: Sprinkle a little salt and pepper over the top layer of ingredients. If you’re using arugula or spinach, add it now.
5. Top and Press: Place the other slice of bread on top and gently press down to compress the sandwich.
6. Grill the Sandwich: In the same skillet used for the onions, add a bit more butter or olive oil. Once hot, carefully place the sandwich in the skillet. Grill for about 3-5 minutes on each side, or until golden brown and the cheese is melted.
7. Slice and Serve: Once grilled, remove the sandwich from the skillet and let it cool slightly. Cut in half and serve immediately.

These simple steps will guide you in creating a delicious Pear & Apple Grilled Cheese With Caramelized Onions that will delight your taste buds!