Ingredients
Scale
- 3 tbsp butter
- 1 small onion, minced
- 1 garlic clove, grated
- 1 tsp fresh thyme (or 1/2 tsp dried)
- 3 tbsp flour
- 1 1/2 cups milk (or heavy cream)
- 1/2 cup shredded gruyere cheese
- 4 lb potatoes, sliced thin
- Salt and black pepper to taste
Instructions
- Preheat your oven to 375°F (190°C).
- In a cast-iron skillet, melt butter over medium heat. Sauté the minced onion until translucent, then add grated garlic and thyme.
- Stir in flour to create a roux, cooking for about two minutes. Gradually whisk in milk until smooth and slightly thickened. Remove from heat and stir in shredded cheese; season with salt and pepper.
- In a baking dish, layer half of the sliced potatoes followed by half of the sauce. Repeat the layers and top with extra cheese.
- Cover with foil and bake for 30 minutes; remove foil and bake an additional 15 minutes until golden brown.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Category: Side dish
- Method: Baking
- Cuisine: Comfort Food
Nutrition
- Serving Size: Approximately 1 cup (240g)
- Calories: 370
- Sugar: 3g
- Sodium: 540mg
- Fat: 20g
- Saturated Fat: 12g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 4g
- Protein: 9g
- Cholesterol: 50mg