POTATO GRATIN WITH MUSTARD

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Potato Gratin with Mustard image

Dijon mustard perks up mellow potato gratin for a side dish that's sure to wow.

Provided by Martha Stewart

Categories     Food & Cooking     Main Dish Recipes     Casserole Recipes

Number Of Ingredients 10

1 tablespoon unsalted butter, room temperature
6 Yukon gold potatoes (about 2 pounds), peeled and sliced 1/4 inch thick
1 clove garlic, peeled and cut in half
3 cups milk
1 cup heavy cream
4 tablespoons Dijon mustard
Coarse salt and freshly ground pepper
1 tablespoon all-purpose flour
4 ounces Gruyere cheese, grated on the large holes of a box grater
2 teaspoons yellow or brown mustard seeds

Steps:

  • Preheat oven to 325 degrees. Brush a shallow, oval baking dish (about 12 by 7 inches) with butter.
  • In a medium high-sided saucepan, combine sliced potatoes, garlic, and milk, and set over high heat. Bring to a boil, then reduce heat, and let simmer until potatoes just begin to get tender, about 8 minutes.
  • Drain potatoes, reserving 1 cup milk. Combine reserved cup of milk with heavy cream. Whisk in mustard. Season well with salt and pepper.
  • Layer potatoes in baking dish, sprinkling flour and scattering cheese between each layer but reserving half the cheese for the top. Pour cream mixture over potatoes; the liquid should just come to top of potatoes.
  • Scatter remaining cheese over top of gratin; sprinkle with mustard seeds. Bake until potatoes are completely soft when pricked with a fork and the cream has thickened and is just starting to bubble up but is not boiling, about 25 minutes. Turn oven to broil. Adjust oven rack to top setting. Transfer gratin to rack, and broil until top is golden brown, about 3 minutes.

Danial Shahan
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Delicious! ?


Bobby Jahcure
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Tried this recipe last night and it was a hit! The mustard flavor was subtle but noticeable, and the potatoes were cooked to perfection. Easy to follow instructions as well. Highly recommend!


Md Srabon khan
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This potato gratin with mustard was an absolute delight! The mustard adds a tangy and unique twist to the classic dish, and the potatoes were perfectly cooked - crispy on the top and creamy on the inside. I followed the recipe exactly and it turned o