Ingredients
Scale
For the Crust:
- 4 large russet potatoes, thinly sliced
- 2 large yellow onions, thinly sliced
- 2 cups shredded Gruyère cheese
- 1/2 cup beef broth
- 2 tbsp butter
- 1 tbsp olive oil
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tsp dried thyme
Instructions
1. Prepare the Crust:
- Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- In a large skillet, melt butter with olive oil over medium heat. Add onions and cook, stirring occasionally, until caramelized (about 20 minutes).
- Layer half the potato slices in the baking dish. Top with half the caramelized onions and half the cheese. Repeat layers.
- Pour beef broth evenly over the layers. Sprinkle with salt, pepper, and thyme.
- Cover with foil and bake for 30 minutes. Remove foil and bake for another 15 minutes or until potatoes are tender and top is golden brown.
Notes
You can customize the seasonings to taste.