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Spiralized Scalloped Skillet Potatoes with Mushrooms and Onions

  • Author: Chocolate Covered Cheetah


  • 4 tbs butter
  • 1 cup white onion, chopped thin
  • 1 cup baby bella mushrooms, sliced
  • 3 tbs flour
  • 2 cups whole milk
  • 6 red potatoes, spiralized
  • 2 cups Gruyère cheese
  • 1/2 cup grated parmesan cheese
  • sea salt and pepper


  1. Preheat oven to 400 degrees
  2. Heat 1 tbs of butter over medium heat in a cast iron skillet
  3. When butter is melted, add mushrooms and onions, season with sea salt and pepper
  4. Cook for 5 minutes until mushrooms and onions soften, set aside
  5. Melt remaining 3 tbs of butter over low heat until frothy
  6. Whisk in flour, slowly until fully combined
  7. Slowly whisk in milk until mixture is smooth, season with sea salt and pepper, set aside
  8. Layer the spiralized potatoes in the skillet
  9. Top with mushrooms and onions
  10. Sprinkle with Gruyère
  11. Pour milk mixture on top of cheese
  12. Sprinkle with parmesan
  13. Cover with foil, bake for 55 minutes
  14. Remove foil, broil for 5-10 minutes until cheese is golden brown
  15. Let rest 5 minutes before serving