POTATO/PORTOBELLO GRATIN

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Potato/Portobello Gratin image

Provided by Alton Brown

Categories     dessert

Time 1h25m

Yield 6 to 8 servings

Number Of Ingredients 5

5 or 6 Yukon gold potatoes, peeled
2 or 3 Portobello mushroom caps, sliced thin
1 cup grated hard cheese such as Parmesan or Asiago
3/4 cup half and half
Kosher salt and ground black pepper

Steps:

  • Heat oven to 400 degrees and butter a 9 by 13-inch baking dish and set aside.
  • Using a mandolin, V-slicer or the slicing attachment on a food processor, slice the potatoes approximately 1/8-inch thick. (If you don't want to slice all the potatoes at once, slice them one at a time and build the gratin as you go.) Create the first layer by laying the slices in overlapping rows. Once the first layer is down, season lightly with salt and pepper, then scatter with mushroom slices and a couple tablespoons of the cheese. (Don't over-do it on these layers, if you create a barrier between the adjoining potato layers, the gratin won't set.) Continue building layers until you're out of potatoes or out of room to build, but be sure to save 1/2 cup of the cheese for the top.
  • Pour 2/3 cup of the half and half over the gratin then spread both hands over the surface and push down to work the air out from the layers. Add remaining liquid only if half and half does not come to the surface when you push down. Sprinkle the gratin with cheese, cover loosely with foil and place in middle of oven for 1 hour. Check for doneness by inserting the point of a paring knife straight into the gratin. If it goes through smoothly, remove the foil, return to oven, and turn on the broiler just long enough to turn the top golden-brown. Remove, and allow to sit at room temperature for 15 to 20 minutes before serving.

foysal ahammad
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I'm not a fan of mushrooms, but I loved this dish! The potatoes were cooked perfectly and the cheese sauce was so flavorful. I will definitely be making this again, but I'll use a different type of mushroom.


RAM NATH
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I'm a vegetarian and I'm always looking for new and exciting vegetarian recipes. This potato portobello gratin is now one of my favorites! The flavors are incredible and the dish is so cheesy and gooey. I will definitely be making this again.


Testimony Mickey
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This dish was easy to make and so delicious! I loved the crispy cheese topping and the creamy potato filling. I will definitely be making this again for weeknight dinners.


Kutlwano Clementine
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I made this dish for a potluck and it was a huge success! Everyone loved it. The potatoes were cooked perfectly and the portobello mushrooms were so flavorful. I will definitely be making this again.


Khadijat Aliyu Masu
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This dish was a bit too cheesy for my taste, but I still enjoyed it. The potatoes were cooked perfectly and the portobello mushrooms were so flavorful. I will definitely be making this again, but I'll use less cheese next time.


Erick Herrera
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I'm not a fan of mushrooms, but I loved this dish! The potatoes were cooked perfectly and the cheese sauce was so flavorful. I will definitely be making this again, but I'll use a different type of mushroom.


shahadat sumon
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I'm a vegetarian and I'm always looking for new and exciting vegetarian recipes. This potato portobello gratin is now one of my favorites! The flavors are incredible and the dish is so cheesy and gooey. I will definitely be making this again.


da-gamer
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This dish was easy to make and so delicious! I loved the crispy cheese topping and the creamy potato filling. I will definitely be making this again for weeknight dinners.


MD ARIF TALUKDaR
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I made this recipe for a dinner party and it was a huge success! Everyone loved it. The potatoes were cooked perfectly and the portobello mushrooms were so flavorful. I will definitely be making this again.


MD Din islam Dinu
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This dish was a bit time-consuming to make, but it was worth it! The flavors were incredible and the dish was so cheesy and gooey. I will definitely be making this again for special occasions.


Linda Legvold
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I'm not usually a fan of potato gratin, but this recipe changed my mind. The addition of portobello mushrooms and cheese made it so flavorful and delicious. I will definitely be making this again.


M- Series
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This is the best potato portobello gratin I have ever had! The flavors are incredible and the dish is so cheesy and gooey. I will definitely be making this again and again.


Ariadna Gonzalez
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I made this for a potluck and it was a huge success! Everyone loved it. The potatoes were cooked perfectly and the portobello mushrooms were so flavorful.


Tariq Rahi
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This dish was easy to make and so delicious! I loved the crispy cheese topping and the creamy potato filling. I will definitely be making this again.


Chizoba Clinton Ogu
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I followed the recipe exactly and it turned out great! The potatoes were cooked perfectly and the portobello mushrooms were so flavorful. I highly recommend this recipe.


md bellal mia
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This potato portobello gratin was a hit with my family! The combination of flavors was perfect, and the dish was so cheesy and gooey. I will definitely be making this again.