Balsamic Red Onion and Gruyere Panini Grilled Cheese
Transform your lunch game with this irresistible Balsamic Red Onion and Gruyere Panini Grilled Cheese! This upscale twist on a classic sandwich combines the bold, tangy sweetness of caramelized balsamic red onions with the nutty creaminess of melted Gruyere cheese, all nestled between perfectly crispy, golden-buttered slices of sourdough bread. The onions, slowly simmered with balsamic vinegar and a touch of sugar, add an elevated flavor that pairs beautifully with the rich, gooey cheese. Cooked to perfection on a grill pan or skillet, this panini grilled cheese is a gourmet treat that's as sophisticated as it is comforting. Whether you're craving a quick lunch or a cozy dinner, this sandwich is sure to impress!
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Ingredients
- 1 large Red onion
- 2 tablespoons Balsamic vinegar
- 1 tablespoon Olive oil
- 1 teaspoon Sugar
- 2 tablespoons Butter
- 6 ounces Gruyere cheese
- 4 slices Sourdough bread
- 0.5 teaspoon Salt
- 0.25 teaspoon Black pepper
Directions
Step 1
Peel and thinly slice the red onion into half-moons.
Step 2
In a medium skillet, heat the olive oil over medium heat. Add the sliced red onion and cook for 5 minutes, stirring occasionally, until the onions start to soften.
Step 3
Add the balsamic vinegar, sugar, salt, and black pepper to the onions. Stir to combine and reduce the heat to medium-low. Cook for an additional 10 minutes, stirring occasionally, until the onions are deeply caramelized and syrupy. Set aside.
Step 4
Spread butter on one side of each slice of sourdough bread. Arrange the slices butter-side down on a clean surface.
Step 5
Generously shred or thinly slice the Gruyere cheese and divide it between two slices of bread, covering the non-buttered side.
Step 6
Top the Gruyere cheese with a generous layer of the prepared balsamic red onions. Place the remaining two slices of bread on top, buttered-side up, to form two sandwiches.
Step 7
Heat a grill pan or non-stick skillet over medium heat. Place the sandwiches in the pan and press down gently with a spatula or a sandwich press.
Step 8
Cook for 3-4 minutes on one side, until golden brown and crispy. Carefully flip the sandwiches and cook for an additional 3-4 minutes, until the other side is golden and the cheese is melted.
Step 9
Remove from heat, let the sandwiches rest for 1-2 minutes, then slice in half and serve immediately.
Nutrition Facts
| Serving size | (625.9g) |
|---|
| Amount per serving | % Daily Value* |
|---|---|
| Calories | 1631.1 |
| Total Fat 93.9g | 0% |
| Saturated Fat 47.1g | 0% |
| Polyunsaturated Fat 2.0g | |
| Cholesterol 274.3mg | 0% |
| Sodium 2912.0mg | 0% |
| Total Carbohydrate 124.6g | 0% |
| Dietary Fiber 6.7g | 0% |
| Total Sugars 19.5g | |
| Protein 73.8g | 0% |
| Vitamin D 4.5IU | 0% |
| Calcium 1881.6mg | 0% |
| Iron 5.3mg | 0% |
| Potassium 464.5mg | 0% |
Source of Calories