Potato and Cheese Tart

229 days. That’s how long it’s been since I’ve sat down and tried to write anything here. Is it laziness? Writer’s block? A lack of interest? I suppose it could be all of the above. Hmm. 

Anyway… I was scrolling through my food pictures from 2019 when I stumbled on the pictures of this blue cheese potato tart, and I thought, “if there’s a recipe worth putting on the blog, it’s this one.”

I mean, this one ticks all of my food boxes: bread / pastry, potatoes, and cheese. If I could live on this combination AND still fit into my pants, I’d eat it 3-4 days a week. (My choice for the rest of the week? Tacos.) 

I’d originally planned to make the Parmesan / potato tart from the same issue of Cook’s Country, but I was running low on parm, so I went with the blue cheese version instead. I have zero regrets about that choice.

The tart takes a little while to bake, but that means you can have the dishes done (and a salad made, if you’re interested in balanced meals) by the time it comes out of the oven. It will smell incredible, and, if you’re anything like us, you’ll cheat the 20 minute cooling time by at least 10 minutes.

potatobluecheesetart

Blue Cheese and Potato Tart

For the tart dough: 
7-1/2 ounces all-purpose flour
1/2 teaspoon table salt
10 tablespoons unsalted butter, cut into 1/2″ pieces and chilled
6-7 tablespoons ice water

For the filling: 
4 ounces cream cheese
2 ounces blue cheese, crumbled, divided
1 ounce Parmesan cheese, grated, divided
2 tablespoons extra-virgin olive oil
2 teaspoons Dijon mustard
1-1/2 teaspoons minced fresh rosemary, divided (I was out of fresh and subbed dried with no issues.) 
1/4  teaspoon pepper
1/2 teaspoon salt
1 large egg, separated
1 pound russet potatoes, peeled and sliced 1/8″ thick
1 shallot, thinly sliced

First, prepare the tart dough. Process the flour and and salt in the bowl of a food processor until combined, just a few seconds. Scatter the butter on the flour mixture and pulse until the mixture resembles coarse crumbs, about 10 pulses or so. Add 6 tablespoons of ice water and process until almost no dry flour remains, about 10 seconds. Scrape down the sides of the bowl. Add the remaining tablespoon of water if the dough won’t come together.

Scrape the dough out onto a lightly floured counter and shape it into a 4″ square. Wrap the dough in plastic wrap and chill it in the fridge for an hour. (If you’re a planner, this step can be done ahead of time – the dough can hang out in the fridge for up to 2 days.) 

When you’re ready to make the tart, remove the dough from the fridge and preheat the oven to 375°. Line a baking sheet with parchment paper (or a silicone baking sheet). Let the chilled dough soften on the counter for about 10 minutes, then roll the dough into a 14″ x 11″ rectangle on a lightly floured counter. Transfer the dough rectangle to the prepared baking sheet.

In a large bowl, microwave the cream cheese until it’s softened, about 20 to 30 seconds. Whisk in 1/4 cup of blue cheese, 1/4 cup Parmesan cheese, olive oil, mustard, 1 teaspoon rosemary, pepper, and salt. Add the egg yolk and whisk until combined. Add the potatoes and shallot to the cheese mixture and stir until the potatoes are thoroughly covered.

Pile the filling in the center of the dough. Spread it an even layer, leaving a 2″ border on all sides. Sprinkle the rest of the blue cheese, 2 tablespoons of Parmesan cheese, and the rest of the rosemary over the filling.

Fold one long side of the dough about 1-1/2″ over the filling. Do the same thing on the other long side of the tart. Fold in the short sides of the dough and overlap the corners to secure the dough. Lightly beat the egg white and brush it all over the folded crust. Sprinkle the rest of the Parmesan cheese all over the crust.

Bake until the crust and filling are golden brown and the potatoes test done when poked with a fork, about 45 minutes. Transfer the baking sheet to a wire rack, and let the tart cool for about 10 minutes. Use a metal spatula to loosen the tart from the parchment paper and slide it onto the wire rack. Let tart cool until warm, then slice and serve.

from Cook’s Country, December / January 2020 

Looking for a printable version?

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