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Home/Casseroles/Potato Gratin with Ricotta, Pancetta & Melted Leeks

Potato Gratin with Ricotta, Pancetta & Melted Leeks

Potato Gratin with Ricotta, Pancetta & Melted Leeks | LunaCafe

There are few dishes in the world more deeply satisfying than a perfectly made Potato Gratin. And by perfectly made, I mean the potatoes are cooked just until tender (not falling apart), are enveloped in a creamy (not curdled) sauce, and are well-seasoned (not bland). Of course, it goes without saying that  a copious quantity of cheese should be used and it should be of excellent quality and aged to boot. In a dish this simple, each ingredient counts.

LPotato Gratin with Ricotta, Pancetta & Melted Leeks | LunaCafe

Even though my earlier Potato Gratin post features a master recipe and SEVEN variations, there appears to be no end to the improvisation on this favorite dish. Why just last week, it occurred to me that I could make this dish more center-of-the-plate worthy by increasing the protein as well as the overall flavor impact.

Potato Gratin with Ricotta, Pancetta & Melted Leeks | LunaCafe

So that’s what we have here–a luscious potato gratin with creamy ricotta, crisp pancetta, and melted leeks. Add a salad, and call it DINNER. I promise, you won’t hear any complaints.

Potato Gratin Layers

Potato Gratin with Ricotta, Pancetta & Melted Leeks

When local leeks hit the Northwest farmers markets in the spring, I can’t get enough of them. They are marvelous in so many dishes and the perfect partner for potatoes. I can’t decide if I like this potato gratin better with Cheddar or Gruyere. The latter is perhaps a bit more sophisticated when you want to pull out all the stops. If you do use cheddar, it must be aged. A young cheddar will curdle.

1 tablespoon unsalted butter

4 ounces diced pancetta

Melted Leeks
2 tablespoons unsalted butter (or perhaps a bit more)
4 cups sliced fresh leeks (white and pale green portions only) (1 pound trimmed)
1 teaspoon minced fresh thyme (or ½ teaspoon dried)
fine sea salt, to taste

Ricotta Filling
2 cups whole milk ricotta
6 tablespoons cream
2 cloves garlic, minced or pressed
fine sea salt, to taste

Cream Sauce
3 tablespoons unbleached, all-purpose flour
1 cup chicken stock
¾ cup heavy cream
3 cloves garlic, finely minced, optional

Layering
3 pounds baking potatoes (Russet Burbank), peeled, sliced 1/4-inch thick, and covered with cold water
fine sea salt
freshly ground white or black pepper
4 cups grated Gruyere, Emmenthaler, cheddar, or other well-aged, melting cheese of choice (8 ounces)
½ cup finely grated parmesan

  1. Butter 9- by 12-inch, 12-cup capacity, baking dish.
  2. In a small saute pan, cook the pancetta, turning often, until it is browned and most of the fat is rendered. (Pancetta is usually fatty enough to not require added fat for the pan. However, if the pan becomes dry, add a little vegetable oil and continue.) Reserve.
  3. To make the Leek Filling, melt the butter in a large sauté pan, add the leeks, and cook over low heat until the leeks are very soft but not browned. If the pan becomes dry, either add a bit more butter or water, and partially cover to complete the cooking. Remove from the heat, add salt to taste, and reserve.
  4. To make the Ricotta Filling, in a processor fitted with the knife blade, puree the ricotta until it is as smooth as possible, and then, while continuing to puree, gradually add the cream and then the garlic. Incorporate salt to taste, and reserve.
  5. To make the Cream Sauce, in a small mixing bowl, whisk together the flour and a couple tablespoons of chicken stock until smooth. Add the rest of the chicken stock, cream, and garlic, and whisk to combine. Reserve.
  6. Before you begin layering the gratin, make sure you have all components prepared and lined up on the work counter.
  7. Carefully dry the potato slices with a clean kitchen towel and begin arranging them, slightly overlapping, into the dish. When you complete the layering, you will have four layers of potatoes and three layers of fillings. The top layer of potatoes is covered with the remaining sauce and cheese only (no leek or ricotta filling).
  8. Season each layer of potatoes rather generously with salt and pepper. Then, over the first three layers, distribute ¼ of the grated cheese, 2 tablespoons grated Parmesan, 1/3 of the pancetta, 1/3 of the Melted Leeks, 1/3 of the Ricotta Filling, and ¼ of the Cream Sauce.
  9. Proceed with layering, ending with a top layer of potatoes, final ¼ of the Cream Sauce, and remainder of the cheeses.
  10. Cover with a dome of foil (it should not touch the cheese), and bake in the upper third of the oven at 375º for 30-45 minutes, until the gratin is bubbling lightly. Remove foil and continue cooking for a total time of 60-75 minutes, or until the potatoes are tender when tested with a fork and the top is nicely browned.
  11. This dish can wait, loosely covered, for half an hour or so. To hold it any longer, stop the cooking process just before the last bit of liquid has been absorbed, cool, cover and refrigerate, and then reheat gently, covered with foil, in a 325º oven for about 30 minutes before serving. It is actually much easier to cut neatly when baked ahead and tastes even better the next day.

Serves 4-6.

More Potato Gratins from LunaCafe

  • Quintessential Potato Gratin with Seven Variations

Cookin’ with Gas (inspiration from around the web)

  • A Cozy Kitchen: Sweet Potato Gratin with Chanterelles and Comté
  • Alexandra’s Kitchen: Alice Waters’ Potato Gratin
  • Brown Eyed Baker: Bacon and Mushroom Potato Gratin
  • Closet Cooking: Pancetta and Porcini Potato Gratin
  • Cookthink: Pear And Potato Gratin Recipe  
  • Leite’s Culinaria: Old-Fashioned Potato Gratin

Thanks for stopping By. Come back real soon.

Copyright 2011 Susan S. Bradley. All rights reserved.

Written by:
Susan S. Bradley
Published on:
April 8, 2015

Categories: Casseroles, Potatoes | Sweet Potatoes, Side Dishes, Spring Fever, VegetablesTags: cheddar cheese, gratin, gruyere cheese, melted leeks, potato gratin, Potatoes | Sweet Potatoes, ricotta

About Susan S. Bradley

Intrepid cook, food writer, culinary instructor, creator of the LunaCafe blog, author of Pacific Northwest Palate: Four Seasons of Great Cooking, and former director of the Northwest Culinary Academy.

Reader Interactions

Comments

  1. Judy

    April 10, 2015 at 4:20 am

    OMG this looks and sounds amazing! Potatoes, leeks, cheese, pancetta and LEEKS…what’s not to fall in love with?

  2. Debra

    April 9, 2015 at 5:39 am

    This makes me happy just looking at it! What a fabulous meal and yes, I’m sure you’re right! There would be no complaints in my house!!!

  3. Amber

    April 8, 2015 at 9:55 am

    You had me at pancetta….and ricotta…ok and potatoes! This looks so tasty! Going to save this to my recipe board!

    • Susan S. Bradley

      April 8, 2015 at 12:02 pm

      Amber, you forgot MELTED LEEKS. The best part. 🙂

  4. Laura

    April 8, 2015 at 9:34 am

    I adore leeks for their creaminess and the subtle oniony taste. Combining them with a gratin is so appealing to me. And you got me when you pointed out the various reasons why gratins sometimes don’t work out – my downfall is the curdled part. I wish mine looked (and tasted) like this – will have to adopt your recipe and methods.

    • Susan S. Bradley

      April 8, 2015 at 12:05 pm

      Laura, you can do this! But you must definitely wash the leeks–not in the same sink as the chicken. LOL! 🙂

  5. Abigail

    April 8, 2015 at 9:08 am

    Comfort food at its finest! I certainly won’t say no to anything that has pancetta and ricotta!

    • Susan S. Bradley

      April 8, 2015 at 12:06 pm

      Abigail, come on over. I need help eating this. 🙂

  6. Dee Dee

    April 8, 2015 at 7:15 am

    You hit the nail on the head with the reasons why I usually don’t like gratins. But it looks like you have figured out how to make this basic recipe PERFECT for all of those great variations. Timing is great, too, as I have a potluck coming up in 2 weeks that I need a side dish to take. Done!

    • Susan S. Bradley

      April 8, 2015 at 12:08 pm

      Dee Dee, if it involves a hammer, I’m in deep trouble. 🙂 Seriously, you’re going to love this. Now I’m hopping over to check out your trifle.

  7. Michelle

    April 8, 2015 at 6:20 am

    My kids absolutely love potato gratins and I don’t make them nearly enough! We are going to have to try your recipe…it looks amazing!

    • Susan S. Bradley

      April 8, 2015 at 12:15 pm

      Michelle, my kids love potato gratins too. Well, seriously, what’s not to love? 🙂 And you just solved a mystery for me. I have been seeing so many grilled cheese sandwich posts today that I wondered if there was a promotion going on or something. So Grilled Cheese has its own month? Awesome. Hopping over to check out your sandwich.

  8. Laura

    March 3, 2015 at 8:29 pm

    A perfectly cooked gratin is so tricky to time well and I am always in awe of people who it to the table perfectly on time. And yes, when done well it is sublime. I am drooling at yours!!!

    • Susan S. Bradley

      March 4, 2015 at 2:29 am

      Laura, you’re so right. Cooking time varies from one potato grain to the next. Plus the gratin benefits from sitting awhile to allow potatoes and sauce to firm up. Thus, I often bake the gratin several hours or even a day ahead and then gently reheat it before serving. It cuts perfectly this way and if anything, the flavor actually improves.

  9. Alice

    March 3, 2015 at 4:01 pm

    I love how you’ve slipped other things into this gratin! Great idea! And ricotta? Who doesnt love ricotta? 🙂

  10. Terri Steffes

    March 3, 2015 at 6:31 am

    This looks so delicious. I am going to make it for our Easter celebration to break our Lenten fast. Thanks for sharing this luscious recipe!

  11. Sheena

    March 3, 2015 at 5:32 am

    Your potato gratin looks really tasty, with all that cheese how could it not!

  12. kristy

    March 3, 2015 at 5:31 am

    That last photo is BEYOND gorgeous!! I love a good potato gratin but it’s the melted leeks that really sold me on this one. Not to mention that it’s on LunaCafe which means it HAS to taste amazing!!

  13. PAM

    March 3, 2015 at 5:00 am

    You’re so right, there is nothing better than a perfectly cooked potato gratin!

  14. Karen

    January 22, 2015 at 11:42 am

    Totally agree with you about potato gratin!! Such wonderful comfort food. Beautiful dish!

    • Susan S. Bradley

      January 23, 2015 at 9:42 pm

      Thanks Karen. It’s one of my favorites. 🙂

  15. Kevin (Closet Cooking)

    May 31, 2011 at 6:37 pm

    What an amazing combination of flavours! This would be so good!

Trackbacks

  1. Quintessential Potato Gratin says:
    November 27, 2013 at 3:55 pm

    […] Potato Gratin with Ricotta, Pancetta & Melted Leeks […]

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Susan S. Bradley

Intrepid cook, food writer, culinary instructor, creator of the LunaCafe blog, author of Pacific Northwest Palate: Four Seasons of Great Cooking, and former director of the Northwest Culinary Academy. Read More…

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