Spinach Gratin

By • March 10, 2010 121 Comments

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Author Notes: This gratin is almost always on the buffet for Christmas at our house. A nice substitute for potatoes, it goes well with the beef tenderloin I usually serve. Adjust the salt and pepper to your liking, but the nutmeg is the classic spice to add. Made with less cheese than is traditional, and also without cream, this lighter version demands as great tasting frozen spinach as you can find. It took one truckload of the fresh stuff to convince me that frozen, organic spinach is the only way to go here.Lizthechef

Food52 Review: Creamed spinach with a crunch, Lizthechef's gratin applies a layer of finesse to an age-old comfort food. A fragrant onion bechamel, made savory with a generous addition of Gruyere, envelops chopped spinach in its lush embrace without overwhelming it. We especially love the layer of buttery-crisp, salty panko crowning the top. Pair with some steak, a baked potato and a nice Cabernet, and you've got one heck of a meal. - A&MThe Editors

Serves 8-10


  • 4 tablespoons unsalted butter
  • 2 medium-sized yellow onions, chopped
  • 1/4 cup unbleached flour
  • 3 cups organic whole milk
  • 1/4 teaspoon freshly grated nutmeg
  • pinches of cayenne
  • 1 and 1/2 cups grated Gruyere cheese
  • 3 16 oz. bags of organic, chopped spinach - thawed
  • 1/2 to 1 teaspoons kosher salt
  • 1/4 to 1/2 teaspoons ground white pepper

Panko topping

  • 2 tablespoons unsalted butter
  • 1 and 1/2 cups panko breadcrumbs
  • sea salt, to taste
  1. Preheat oven to 400 degrees.
  2. Squeeze the liquid from the thawed spinach, handful by handful. Set aside.
  3. Heat milk to simmer in saucepan.
  4. Melt the butter in a heavy-bottomed pot. Add onions and cook until wilted but not browned, about 10 minutes. Add the flour and cook for 2 minutes. Stir in the hot milk and whisk the sauce until it thickens. Add the nutmeg and cayenne. Turn off the heat.
  5. Stir in the cheese and season with salt and pepper. Taste and correct seasoning. Add the spinach and mix in well.
  6. Pour into a 9X11 glass or ceramic baking dish. Prepare crumb topping.
  7. Melt butter in medium skillet. Add panko, sprinkle with sea salt and stir until lightly toasted. This occurs quite suddenly.
  8. Gently smooth the toasted panko on top of the gratin. Cook for 30-35 minutes until bubbling.

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