This au gratin potatoes recipe is sliced potatoes baked in a cheese sauce until the top browns. It is not scalloped potatoes, which have no cheese.
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Au Gratin Potatoes
- Total Time: 1 hour 30 minutes
- Yield: 8 servings 1x
Description
Au Gratin Potatoes. From Olivia.
Ingredients
Scale
- 2 pounds (900g) potatoes, sliced thin
- 2 tablespoons butter
- 2 tablespoons flour
- 2 cups (480ml) milk
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 1/2 cups shredded cheddar
- 1/4 cup grated parmesan
Instructions
- Heat the oven to 375°F (190°C).
- Make a white sauce with butter, flour, milk, salt, and pepper. Stir in the cheddar off the heat.
- Layer potatoes and sauce in a buttered dish. Top with parmesan. Cover and bake 45 minutes. Uncover and bake 15 to 20 minutes.
Notes
Melt the cheese off the heat so the sauce does not split.
- Prep Time: 25 minutes
- Cook Time: 1 hour
- Category: Side Dish
- Method: Baking
- Cuisine: American
Slice
Thin and even.
Sauce
It should be thick before the potatoes go in. They give off water.
Cover
Foil first.
Top
Parmesan browns. Cheddar alone can look oily.
Nutrition (estimated)
About 320 calories per serving. Estimate only, not a lab test.
FAQ
Gruyere?
Yes, in place of cheddar.
Russets
They drink the sauce. Yukons stay in slices.
Storage
Fridge, 3 days.
Make ahead
Assemble and refrigerate. Bake covered a little longer.