Clementine Darling Tart with Chivalrous Chocolate Crust

April 29, 2010

Yes, Anastasia.

Clementines don't seem to get the attention they so richly deserve. I admit that I love lemons and limes, but I also think that their reserved cousin should have her day in the sun. I have wanted to make this since January, but it was always pushed aside by other recipes. Finally, here it is, the tart of my winter dreams. I'm in squirrel mode since the clementine supply is all but gone. I found what may have been the last of it's kind, a bitter batch. There are few things more disappointing than getting orange fingernails and having nothing to show for it but a twisted look of contempt. So I decided to make tarts out of tartness. Clementines hidden potential comes through in the magic of baking. Plus, I don't want give the impression that this blog is playing favourites and only caters to desserts of the cookie and brownie variety. Not that there's anything wrong with that. :D

Very little arm twisting is needed to make me bake something inspired by one of Dorie Greenspan's recipes. In my ideal world, I would take classes from her every weekend. Also, someday I would have a secluded chalet in the Swiss Alps, a summer home on the Amalfi coast, be a world renown pastry chef, own 3 horses, learn how to skipper a classic wooden sailboat, and be happily married to the gentleman mentioned in my profile. As it is, I'll have to settle for this splendid little tart. No worries here, this darling combines the slight tartness of clementines with a rich, bittersweet shortbread chocolate crust. The two make an excellent pair.

The clementine filling turned out to be similar in texture and flavour to a curd. Which is fabulous. I ♥ curds (and the fact that I know how to make a ♥ symbol with my keyboard. You've been warned.) I would make a full pot of lemon curd and eat it by the spoonful if I knew the world was coming to an end tomorrow. Even though clementines are not quite as tart as I prefer, they hold their own in the ultra-rich chocolate crust. This is one sultry crust. I don't even want to label it a crust, it's much more worldly. It has the buttery, crumble of a chocolate shortbread cookie with just enough sugar to take the edge of the bitterness. The bold 'crust' is just what is needed to make the clementine filling taste as Regal as her citrus relatives.

Clementine Tart with Chocolate Shortbread Crust
(recipe adapted from Dorie Greenspan)
* printer friendly Recipe *

1 fully baked 9-inch chocolate tart shell (recipe follows)
1 cup sugar
Finely grated zest of 4-5 clementines
4 large eggs
1/4 cup fresh lemon juice (from 1-2 lemons)
1/4 cup of fresh clementine juice (from 2-3 clementines)
2 sticks plus 5 tablespoons (10-1/2 ounces)
unsalted butter, cut into tablespoon-size
pieces, at room temperature

Getting Ready: Have an instant-read thermometer, a strainer and a blender (first choice) or food processor at hand. Bring a few inches of water to a simmer in a saucepan.

Put the sugar and zest in a large heatproof bowl that can be set over the pan of simmering water. Off the heat, rub the sugar and zest together between your fingers until the sugar is moist, grainy and very aromatic. Whisk in the eggs, followed by the lemon and clementine juice.

Set the bowl over the pan, and start stirring with the whisk as soon as the mixture feels tepid to the touch. Cook the lemon cream until it reaches 180 degrees F. As you whisk—you must whisk constantly to keep the eggs from scrambling—you'll see that the cream will start out light and foamy, then the bubbles will get bigger, and then, as it gets closer to 180 degrees F, it will start to thicken and the whisk will leave tracks. Heads up at this point—the tracks mean the cream is almost ready. Don't stop whisking or checking the temperature, and have patience—depending on how much heat you're giving the cream, getting to temp can take as long as 10 minutes. *This took me about 20+ minutes, so please be patient. I found that I had to add a little bit of cornstarch because it was not thickening up for me. But bear in mind that I have a psychotic stove.*

As soon as it reaches 180 degrees F, remove the cream from the heat and strain it into the container of the blender (or food processor); discard the zest. Let the cream stand, stirring occasionally, until it cools to 140 degrees F, about 10 minutes.

Turn the blender to high (or turn on the processor) and, with the machine going, add the butter about 5 pieces at a time. Scrape down the sides of the container as needed as you incorporate the butter. Once the butter is in, keep the machine going—to get the perfect light, airy texture of lemon-cream dreams, you must continue to blend the cream for another 3 minutes. If your machine protests and gets a bit too hot, work in 1-minute intervals, giving the machine a little rest between beats.

Pour the cream into a container, press a piece of plastic wrap against the surface to create an airtight seal and refrigerate for at least 4 hours or overnight. (The cream will keep in the fridge for 4 days and, or tightly sealed, in the freezer for up to 2 months; thaw it overnight in the refrigerator.)

When you are ready to assemble the tart, just whisk the cream to loosen it and spoon it into the tart shell. Serve the tart, or refrigerate 'until needed.

Chocolate Shortbread Crust Ingredients
1 1/4 cups all-purpose flour
1/4 cup unsweetened cocoa powder
1/4 cup confectioners' sugar
1/4 tsp salt
9 Tbsp very cold (or frozen) unsalted butter, cut into pieces
1 large egg yolk

Put the flour, cocoa, confectioners’ sugar and salt in a food processor and pulse a couple of times to combine. Scatter the pieces of butter over the dry ingredients and pulse until the butter is coarsely cut in — you should have pieces the size of oatmeal flakes and some the size of peas. Stir the yolk, just to break it up, and add it a little at a time, pulsing after each addition. When the egg is in, process in long pulses — about 10 seconds each — until the dough, which will look granular soon after the egg is added, forms clumps and curds. Just before you reach this stage, the sound of the machine working the dough will change — heads up. Turn the dough out onto a work surface and very lightly and sparingly knead the dough just to incorporate any dry ingredients that might have escaped mixing.

Press the dough into the buttered pan. Press evenly over the bottom and up the sides, using all but one little piece of dough, which you should save in the refrigerator to patch any cracks after the crust is baked. Don’t be too heavy-handed — press the crust in so that the edges of the pieces cling to one another, but no so hard that the crust loses its crumbly texture. Freeze for at least 30 minutes, preferably longer, before baking.

To partially or fully bake the crust:
Center a rack in the oven and preheat the oven to 375° Fahrenheit (190° Celsius, Gas Mark 5).

Butter the shiny side of a piece of aluminum foil and fit the foil, buttered side down, tightly against the crust. (Since you froze the crust, you can bake it without weights.) Put the tart pan on a baking sheet and bake the crust for 25 minutes. Carefully remove the foil. If the crust has puffed, press it down gently with the back of a spoon.

Bake for another 8 minutes or so, or until it is firm. Keep a close eye on the crust's progress — it can get too dark in a flash. Transfer the tart pan to a rack and cool the crust to room temperature before filling.

To patch a fully baked crust, if necessary:
If there are any cracks in the baked crust, patch them with some of the reserved raw dough as soon as you remove the foil. Slice off a thin piece of the dough, place it over the crack, moisten the edges and very gendly smooth the edges into the baked crust. If the tart will not be baked again with its filling, bake for another 2 minutes or so, just to take the rawness off the patch.


  1. Hey Valerie, This sounds so excellent. I love clementines! Did you know they are indigenous to Algeria/North Africa? I just learned that recently...
    Hey, I'm going to make one of your desserts for my Mom who is visiting this weekend (and for Cauldron Boy). If I do and get good pics, might I link to you?
    Feel free to let me know either way, My Dear!

  2. That tart looks like it can perk up the dullest winter day. Lovely!

  3. Thanks Marisa! :)

    Stella, Please feel free to link back. I'm looking forward to seeing which dessert you make. If you have any questions, just let me know. I had no idea that clementines came from Africa, I love learning about the origins of food. Thanks!

  4. Wow, gorgeous creation! I enjoy your writing style too.

  5. Love the idea of the chocolate crust with your clementine tart! That would be a fabulous combo. And wow! Great photos!

  6. Oh you make me grin! :-) I don't even know how to do a heart symbol on my keyboard! :-) I love these pretty little tarts. Clementines are such a lovely, old-fashioned sort of thing, and your tart shows them off beautifully. :-)

  7. Cheers to the clementine. They are a luscious citrus.
    Your clementine tart with the chocolate crust is delightful. Thanks for sharing.

  8. Hi Valerie!

    Happy May Day!

    (Oh dear, I see Chocolate Chunkers below ... so very hard to keep on task here teehee!)

    How very silly of me - I'm not sure if I've ever eaten a Clementine??? I will have to take care of that lapse of mine!

    Oooooohhh ... bittersweet chocolate shortbread crust ... now you're talkin! :)

    And BTW, I adore lemon curd too ... which leads me to lemon bars ... I once had a lemon bar against which I measure all lemon bars (and they always come up wanting) - the base was not the typical dense cookie one but rather flaky and delicate like a pie dough. HEAVENLY!

    Would you have any idea of a recipe for one like that or do I sound like a crazy woman?!

    Happy Weekend,


  9. Wow oh wow, that tart looks AMAZING and I'm not usually a fan of citric desserts. But it looks so rich and good, I can almost taste it. I love Dorie's chocolate tart shell recipe. Yours looks great!m


Thanks for visiting, and for taking the time to read through my ramblings!
If you have a recipe comment or question, I'd love to hear from you.

Happy Baking!
♥ Valerie


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