Omni 18L Family - Scalloped Potatoes

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Ingredients
  • 4 yellow potatoes
  • 1/4 red onion
  • 1/2 cup milk
  • 3/4 cup heavy cream
  • 1/2 tsp garlic powder
  • 1/2 tsp onion powder
  • 1/2 tsp salt
  • 2 tbsp all-purpose flour
  • 1/8 tsp black pepper
  • 3 tbsp Parmesan cheese
  • 3 Fresh Thyme Sprig
  • 1/2 tbsp olive oil
  • 3 Gruyere cheese slices
Instructions
  • Spray a 10x10-inch baking dish with oil and set aside.
  • Add olive oil to a saucepan over medium-low heat, or use the inner pot of an Instant Pot set to Sauté on Low for 10 minutes.
  • When the oil is hot, add red onion and sauté until softened.
  • Stir in heavy cream, milk, garlic powder, onion powder, and fresh thyme, whisking well to combine.
  • Once the mixture simmers, whisk in the flour and bring to a boil, continuing to whisk.
  • Add salt and pepper and boil for 1 more minute. Turn off the heat and set the saucepan aside, or press Cancel on the Instant Pot and remove the inner pot.
  • Arrange half of the sliced potatoes in the baking dish, sprinkling a pinch of salt and black pepper between layers.
  • Pour half of the cream sauce over the potatoes. Repeat with the remaining potatoes and sauce.
  • Layer Gruyere cheese slices over the potatoes and sprinkle grated Parmesan cheese on top.
  • Cover the bakeware with a lid or aluminum foil. Place the rack in the Omni oven at the Bake level. Select Bake, setting the temperature to 375°F / 191°C and the time to 3 minutes to preheat. Press Start.
  • When the oven is hot, place bakeware on the oven rack and set the time to 40 minutes, keeping the temperature and cooking function the same. Press Start.
  • After 30 minutes, remove the foil and bake uncovered for the remaining 10 minutes. When the timer ends, leave the potatoes in the oven for 5 minutes to rest.
  • Remove the dish from the oven and let it rest for another 5 minutes before serving. Enjoy!
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