THREE POTATO GRATIN

Three Potato Gratin image

Provided by Cindy Rose

Categories < 4 Hours

Time 1h20m

Yield 4-6 serving(s)

Number Of Ingredients 10

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4 tablespoons butter
4 tablespoons all-purpose flour
1/2 cup sour cream
2 cups milk
3/4 cup parmesan cheese, grated
1 cup yukon gold potato, sliced thin
1 cup sweet potato, sliced thin
1 cup russet potato, sliced thin
1 cup cheddar cheese, shredded
salt and pepper

Steps:

Preheat oven to 350 degrees.
Thoroughly grease 2 quart casserole dish.
In a saucepan melt the butter and whisk in flour to make a roux. Cook for about one minute. Add salt, pepper, sour cream and milk. Gradually stir over medium heat to keep the mixture from burning. Stir until thick, about 2-3 minutes, then add parmesan cheese.
Arrange half of potatoes in casserole dish, making sure they overlap. Pour half of the cheese mixture over potatoes, then repeat the process.
Bake covered for 35 to 40 minutes, then uncover and bake additional 15 minutes.
Top with shredded cheddar and cook another 5 - 10 minutes until cheese is melted and bubbly. Make sure potatoes are cooked through. Test by inserting knife - it it goes in and comes out easily and cleanly casserole is done.

Nutrition Facts : Calories 548.7, Fat 36.5, SaturatedFat 22.6, Cholesterol 108.7, Sodium 668.5, Carbohydrate 34.5, Fiber 2.7, Sugar 3.4, Protein 21.8