Ingredients
Method
Preparation
- Preheat your oven to 375°F (190°C).
- Slice the potatoes uniformly and set them aside.
Making the Sauce
- In a saucepan over medium heat, melt the butter.
- Stir in the flour and whisk continuously for about 2 minutes.
- Gradually add the milk and cream, continuing to whisk until the mixture thickens.
- Incorporate minced onion, garlic, Dijon mustard, nutmeg, salt, and pepper. Allow it to bubble for extra flavor.
- Remove from heat and stir in 1.5 cups of the grated cheese until melted.
Assembling the Casserole
- Layer half of the potato slices in a greased baking dish.
- Pour half of the cheese sauce over the first layer of potatoes.
- Repeat with the remaining potatoes and sauce. If desired, top with Parmesan or panko for crunch.
Baking
- Cover with foil and bake for 40 minutes.
- Remove the foil and continue baking for an additional 20 minutes, until golden and bubbly.
- Garnish with fresh thyme or chives before serving.
Nutrition
Serving: 1gCalories: 400kcalCarbohydrates: 45gProtein: 15gFat: 20gSaturated Fat: 12gSodium: 600mgFiber: 3gSugar: 2g
Notes
Allow leftovers to cool, then cover and refrigerate for up to 3 days, or freeze for up to 2 months.
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