Three Potato Gratin
- Ready In:
- 1hr 20mins
- Ingredients:
- 10
- Serves:
-
4-6
ingredients
- 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
directions
- 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.
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