Sunday, May 16, 2010

The Most Extraordinary French Lemon Cream Tart

Folks, it is another dessert recipe....sorry. It is the only blog worth thing I made this week. I made this tart for a charity auction and hope it makes a lot of money for the cause. I also made the super rich chocolate cheesecake as well. The lemon tart recipe is yet again out of Dorie Greenspan's Baking: From My home to Yours. I made this dessert two years ago for my dad's birthday. We loved it but the lemons I used must have been extra tart because oh did it make you pucker. This time I made sure to taste the cream. It had the perfect tartness but I decided to coat the tart crust with seedless raspberry preserves and dot the top with fresh raspberries. Obviously, I did not get to taste it but I bet it was fantastic. My husband it also not too pleased I did not make him one... so may have to make another in the near future. ;)


1 cup sugar
Grated zest of 3 lemons
4 large eggs
3/4 c fresh lemon juice (from 4-5 lemons)
2 sticks plus 5 tbsp butter (10 1/2 ounces) unsalted butter, cut into tablespoon size pieces, at room temperature.
1 9-inch tart shell made with sweet tart dough, fully baked (see below)


Getting ready:
Have a 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 juice.

Set the bowl over the pan and start stirring with the whisk as soon as the mixture fees tepid to the touch. Cook the lemon cream until it reaches 180 degrees F. As you whisk- you 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 180F, 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 may take as long as 10 minutes.

As soon as it reaches 180F, remove the cream from the heat and strain it into the container of the lender (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 bend 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 at least 4 hours, or overnight. (The cream will keep in the fridge for 4 days 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.

*Use a metal bowl, otherwise you'll be standing there forever.

Sweet Tart Dough

1 1/2 cups all-purpose flour
1/2 cup confectioner’s sugar
1/4 teaspoon salt
1 stick plus 1 tablespoon (9 tablespoons) very cold (or frozen) unsalted butter, cut into small pieces
1 large egg yolk

Put the flour, confectioner’s 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 some 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.

To Press the Dough into the Pan: Butter a 9-inch fluted tart pan with a removable bottom. Press the dough evenly over the bottom and up the sides of the pan, 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 not so hard that the crust loses its crumbly texture. Freeze the crust 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 degrees F.

Butter the shiny side of a piece of aluminum foil and fit the foil, butter 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. For a partially baked crust, patch the crust if necessary, then transfer the crust to a cooling rack (keep it in its pan).

To Fully Bake the Crust: Bake for another 8 minutes or so, or until it is firm and golden brown. Transfer the tart pan to a rack and cool the crust to room temperature before filling.

To Patch a Partially or 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 of a thin piece of the dough, place it over the crack, moisten the edges and very gently smooth the edges into the baked crust. If the tart will not be baked again with its filling, baking for another 2 minutes or so, just to take the rawness off the patch.

Recipe from Dorie Greenspan's book Baking: From My Home To Yours

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