Save to Pinterest A rich, decadent Southern-style casserole featuring layers of tender potatoes baked in a creamy, cheesy sauce—perfect for holidays or comforting family dinners.
This dish has been a family favorite at Southern holiday dinners for years and never fails to impress guests with its cheesy goodness and comforting flavors.
Ingredients
- Vegetables: 2.5 lbs (1.1 kg) russet or Yukon Gold potatoes peeled and thinly sliced , 1 small yellow onion thinly sliced
- Dairy: 2 cups (480 ml) whole milk , 1 cup (240 ml) heavy cream , 2 cups (200 g) sharp cheddar cheese shredded , 1 cup (90 g) Gruyère or Monterey Jack cheese shredded , 4 tbsp (56 g) unsalted butter
- Pantry & Spices: 3 tbsp (24 g) all-purpose flour , 1 tsp garlic powder , 1 tsp salt (plus more to taste) , ½ tsp ground black pepper , ¼ tsp smoked paprika , Chopped fresh chives or parsley for garnish (optional)
Instructions
- Preheat Oven:
- Preheat the oven to 375°F (190°C) Grease a 9x13-inch (23x33 cm) baking dish with butter
- Make Roux:
- In a medium saucepan over medium heat melt the butter Add the flour and whisk continuously for 1–2 minutes until bubbly but not browned
- Add Dairy:
- Gradually whisk in the milk and cream Continue whisking until the mixture thickens about 3–5 minutes
- Season Sauce:
- Stir in garlic powder salt pepper and paprika Remove from heat
- Add Cheese:
- Add 1½ cups cheddar and ½ cup Gruyère cheese Stir until melted and smooth
- Layer Ingredients:
- Arrange half the sliced potatoes in an even layer in the prepared baking dish Top with half the onions
- Add Sauce:
- Pour half the cheese sauce over the potatoes and onions Layer the remaining potatoes and onions on top then cover with the rest of the cheese sauce
- Top Cheese:
- Sprinkle the remaining cheddar and Gruyère cheeses evenly over the top
- Bake Covered:
- Cover the dish tightly with foil and bake for 45 minutes
- Bake Uncovered:
- Remove the foil and bake an additional 25–30 minutes or until the potatoes are tender and the top is golden and bubbling
- Rest and Serve:
- Let rest for 10 minutes before garnishing with chives or parsley and serving
Save to Pinterest Making this dish always brings back fond memories of family gatherings where everyone looks forward to the creamy cheesy layers.
Notes
For extra flavor add a pinch of cayenne or a layer of cooked bacon between the potatoes Swap Gruyère for Monterey Jack or mozzarella if preferred Goes well with roast meats or as a vegetarian main with a green salad
Required Tools
9x13-inch (23x33 cm) baking dish , Saucepan , Whisk , Chefs knife , Mandoline slicer (optional for even potato slices) , Aluminum foil
Allergen Information
Contains Milk Cheese Butter (Dairy) Wheat (Gluten in flour) For gluten-free substitute flour with a gluten-free all-purpose blend Always check cheese labels for potential allergens
Save to Pinterest This creamy scalloped potato recipe is a timeless side that elevates any meal with its rich flavor and comforting texture.
Recipe FAQs
- → What type of potatoes work best?
Russet or Yukon Gold potatoes create tender layers with the right texture when baked.
- → Can I substitute cheeses in the dish?
Gruyère can be replaced with Monterey Jack or mozzarella for a milder flavor.
- → How should the sauce be prepared?
A roux of butter and flour is whisked with milk and cream, then combined with shredded cheddar and Gruyère for a rich, creamy sauce.
- → What’s the best way to slice potatoes evenly?
Use a mandoline slicer for consistent thin slices, ensuring even baking and layering.
- → How long do I bake the casserole?
Cover and bake for 45 minutes, then uncovered for 25–30 minutes until potatoes are tender and the top is golden.
- → Can this dish be made gluten-free?
Yes, substitute all-purpose flour with a gluten-free all-purpose blend in the sauce preparation.