A Savory Onion, Potato, Gruyere Galette

3 Aug

Recipe from Sur La Table; recipe also available on blog

I attended baking class at my local Sur La Table downtown. I’ve learned good tips about baking with cookies, pies, tarts, souffles, and just kitchen tips in general. One of the best things is that I got to keep all 25 recipes. :) The Onion, Potato, Gruyere (Cheese) Galette was a big hit at home so I decided I’d try to recreate the galette at home by myself (without the crew at the class). In case you don’t know what a galette is, a galette is a French pastry tart that can either be made sweet with fruit or savory for a dinner.

Here’s my result!

Here’s the recipe in case you wish to tackle it. You can also use your own high-quality pie dough from the store, but if you’re extra ambitious you use the following recipe for flaky, homemade pie/tart crust.

I know that there looks like there is a lot of directions to read, but it’s actually a lot easier than that. Don’t be intimidated!

Pie/Tart Crust Recipe

*Can be made up to 2 days ahead, cover with plastic wrap, and keep refrigerator.


  • 1 stick (4 ounces) cold unsalted butter, cut into 1/2 inch pieces
  • 3 to 4 tablespoons cold water (I ended up using more; you need just enough water to allow the flour and butter to come together to make a dough)
  • 1 1/4 cup (6 1/4 ounces) unbleached, all-purpose flour
  • 1 1/4 teaspoons sugar (omit for an savory crust; I forgot to do this and it turned out fine)
  • 1/4 teaspoon salt

Equipment: small measuring cup, pastry blender or food processor, large bowl rolling pin, pastry brush(/span>


Potato, Onion, & Gruyere Galette Recipe


  • 1 recipe Pie/Tart Dough (see above)
  • 1 1/4 tbs olive oil, plus 1 tbs for drizzling
  • 1 large onion (12 ounces), thinly sliced
  • 1/4 tsp finely chopped fresh thyme or rosemary (I used both)
  • 1/4 tsp plus 1 pinch kosher salt
  • black pepper
  • 4 ounces Gruyere cheese; coarsely grated
  • 1 lb red potatoes, washed (left unpeeled) and cut into 1/4-inch thick slices
  • 1 egg, lightly beaten

Equipment: rolling pin, baking sheet, parchement paper or a sillicone mat, medium saute pan large bowl, pastry brush, pairing knige, metal spatula, cooling rack, cake lifter or two metal spatulas, tart pan bottom, chef’s knife


  1. Preheat oven to 400 degree Fahrenheit and position an oven rack in the lower third. Line the baking sheet with parchment paper or a silicone mat. Roll the dough out starting from the center outward while rotating the dough until the dough is circular and about 13 inches in diameter. Transfer to baking sheet and chill for 1 hour.
  2. Heat the 1/2 tbl olive oil in the medium saute pan over medium-high heat. Add the onion and cook, stirring occasionally, until soft and lightly colored, about 8 to 10 minutes. (It only took me 8 minutes). Stire in the thyme, 1/4 teaspoon salt, and 5 grinds pepper and blender well. Transfer to a plate and set aside to cool.
  3. Combine the cooled onion mixture, cheese, and potatoes in a large bowl. Mound the filling in the center of the chilled tart shell, leaving a 1.5 inch border at the edge. Fold that border up around the filling, pleating it to make a pretty enclosure and leaving the center open. Drizzle the filling with the remaining 1 tbp olive oil and sprinkle lightly with salt and 3 grinds of pepper. Lightly brush the pleated dough with the beaten egg to give it a shine and help it brown in the oven.
  4. Bake the galette for 45 to 50 minutes. (It took my galette only 45 minutes), or until the pastry is golden brown and the potatoes are soft when tested with a pairing knife or skewer. Use the metal spatula to life the edge of the galette sightly and check underneath to see if the bottom crust is a beautiful brown color. If so, transfer to a rack to cool for 5 to 10 minutes.
  5. Transfer galette to a serving plate with the cake lighter or 2 spatulas or tart pan bottom supporting the bottom as you move it. Slice with a chef’s knife and serve warm. If you like, serve with dollops of creme fraiche and spoonfuls of caviar.

Store uncovered at room temperature for up to 6 hours, or cover with plastic wrap and refrigerator for up to days. Reheat in a 400 F for 10 to 15 minutes before serving.

I hope you enjoy! :)


3 Responses to “A Savory Onion, Potato, Gruyere Galette”


  1. Yet Another Savory Galette – Turkey, Gruyere, Green Beans « Notebook Worthy: Anecdotes of My Love Affair with Food - October 14, 2009

    […] that I’d surprise my mom whom I haven’t seen in a while with dinner. (For recipe, click here). I placed the finished dough in the freezer to harden. I patiently waited for the time to past. To […]

  2. From My Turkey Table to Your Christmas Table: Holiday Recipes « Notebook Worthy: Anecdotes of My Love Affair with Food - December 20, 2009

    […] Two 9-inch pie crusts (can be found in the freezer section of grocery, or make it yourself from this recipe) […]

  3. help, a vegetarian is coming to my dinner party! (potato & onion galette) « emandam - November 16, 2010

    […] Adapted from Notebook Worthy […]

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