Caramelized Onion and Gruyere Treasures

Caramelized Onion and Gruyere Treasures: A Delicious Appetizer
Looking for a delicious appetizer that will impress your guests? Look no further than these Caramelized Onion and Gruyere Treasures! This dish is perfect for any occasion, from a casual get-together to a fancy dinner party.

To make this dish, you will need the following ingredients:

- 1 sheet of puff pastry, thawed
- 1 large onion, thinly sliced
- 1 tablespoon olive oil
- 1/4 teaspoon salt
- 1/4 teaspoon black pepper
- 1/2 cup grated Gruyere cheese
- 1 egg, beaten


To start, preheat your oven to 400 degrees F. Then, heat the olive oil in a large skillet over medium heat. Add the sliced onion, salt, and pepper, and cook until the onion is caramelized and golden brown, about 20-25 minutes.
Next, roll out the puff pastry on a lightly floured surface. Cut the pastry into 12 squares, and place them on a baking sheet lined with parchment paper. Brush the beaten egg over the pastry squares.
Spoon a small amount of the caramelized onion onto each pastry square, and top with a sprinkle of grated Gruyere cheese.
Bake the pastry squares in the preheated oven for 15-20 minutes, or until the pastry is golden brown and puffed up. Serve the Caramelized Onion and Gruyere Treasures warm, and enjoy!
These Caramelized Onion and Gruyere Treasures are the perfect appetizer for any occasion. They are easy to make, and the combination of sweet caramelized onions and tangy Gruyere cheese is simply irresistible. The puff pastry adds a light and flaky texture to the dish, making it a true delight for the senses.
Type: Appetizer
Ingredients:

- Puff pastry
- Onion
- Gruyere cheese