This is not your average grilled cheese. Fontina melts into something almost impossibly creamy, and caramelized onions add a sweetness that makes this feel less like a weeknight quick fix and more like something worth sitting down for.
Ingredients
- 2 thick slices sourdough bread
- 4 ounces fontina cheese, thinly sliced
- 1 medium yellow onion, thinly sliced
- 2 tablespoons butter, softened
- 1 teaspoon fresh thyme leaves
- Salt and black pepper to taste
- 1 tablespoon olive oil
Step-by-Step Instructions
Step 1: Caramelize the Onions
In a medium skillet, heat olive oil over medium-low heat. Add the sliced onion with a pinch of salt and cook, stirring occasionally, for 15 to 20 minutes until deep golden and caramelized. Stir in thyme leaves and set aside.







