Step-by-Step Instructions
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Preheat and Prep: Preheat your oven to 400°F. Line a large baking sheet with aluminum foil for easy cleanup, as shown in your photo.
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Prepare the Topping: In a small bowl, whisk together the mayonnaise, Parmesan cheese, garlic powder, and oregano until it forms a thick paste.
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Coat the Potatoes: Place the potato halves on the baking sheet, cut-side up. Spread a generous layer of the mayonnaise mixture over each flat surface.
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Season: Lightly sprinkle with salt and fresh black pepper.
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Bake: Roast for 25–35 minutes. The potatoes are done when the bottoms are tender and the tops are bubbly and deep golden brown.
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Rest: Let the potatoes sit for 5 minutes before serving to allow the crust to fully set.
FAQ & Tips
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Can I use a different cheese? While Parmesan is traditional for that saltier “crunch,” you can mix in a little Pecorino Romano or shredded Asiago for variety.
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Ensuring Even Cooking: Try to use potatoes that are similar in size so they all finish at the same time.
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Crispier Bottoms: If you like a crispy bottom as well as a crispy top, you can lightly grease the foil with olive oil before placing the potatoes down.
How to Serve
These potatoes are incredibly versatile. They make a perfect companion to Slow Cooker French Onion Beef or Creamy Tomato Basil Chicken. For a complete “comfort food” meal, serve them alongside Honey Glazed Carrots and a simple garden salad.
