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Gordon Ramsay’s Scalloped Potatoes Recipe

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4.4 from 14 reviews

Gordon Ramsay’s Scalloped Potatoes is a creamy, cheesy baked dish featuring thinly sliced white potatoes layered with a rich, velvety onion and garlic sauce. Baked until golden and bubbly, this comforting classic is perfect as a side dish or a hearty vegetarian main.

Ingredients

Base Ingredients

  • 60g butter
  • 1 large onion, diced
  • 2 garlic cloves, minced
  • 30g plain flour
  • 480ml milk
  • 240ml chicken or vegetable broth
  • ½ tsp salt
  • ¼ tsp black pepper
  • 1.4kg white potatoes, sliced approximately 3mm thick

Optional

  • 1 cup grated Gruyère or cheddar cheese
  • Extra salt and pepper to taste

Instructions

  1. Preheat the oven: Preheat your oven to 180°C (356°F) to get it ready for baking the scalloped potatoes.
  2. Make the sauce: Melt the butter in a pan over medium heat. Add diced onion and minced garlic and cook until softened, about 3 minutes. Stir in the plain flour and cook for another minute to remove the raw flour taste. Gradually whisk in the milk and chicken or vegetable broth to form a smooth sauce. Bring the sauce to a gentle simmer and cook for 1 minute to thicken. Season with salt and black pepper to taste.
  3. Prepare the dish: Grease a baking dish with butter. Begin layering the sliced potatoes evenly in the dish. Sprinkle a bit of salt and pepper over the potatoes, add some grated cheese if using, then pour a portion of the sauce over the layer. Repeat layering potatoes, seasoning, cheese, and sauce until all ingredients are used, finishing with a layer of sauce and additional cheese on top if desired.
  4. Bake covered: Cover the baking dish tightly with aluminum foil and bake in the preheated oven for 45 minutes. This step allows the potatoes to steam and start cooking through.
  5. Bake uncovered: Remove the foil and continue baking for an additional 35 to 45 minutes until the top is golden brown and the dish is bubbly and cooked through.
  6. Broil for crispiness: If you want a crispier top, place the baking dish under a broiler for 3 to 4 minutes but watch carefully to avoid burning.
  7. Rest before serving: Remove the scalloped potatoes from the oven and let them rest for 15 minutes. This allows the sauce to set slightly, making it easier to scoop and serve.

Notes

  • Use a mandoline slicer or a sharp knife to slice the potatoes thinly and evenly for consistent cooking.
  • Substitute milk with a plant-based milk and vegetable broth to make the dish vegetarian.
  • Adding cheese is optional but highly recommended for a richer flavor.
  • Resting the dish after baking improves texture and makes slicing easier.
  • Adjust salt and pepper according to taste, especially if using salted butter or broth.
  • Leftovers can be refrigerated for up to 3 days and reheated in the oven for best results.