Three Potato Gratin

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READY IN: 1hr 20mins
SERVES: 4-6
UNITS: US

INGREDIENTS

Nutrition
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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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