01.23.2012 tarte au saumon fumé... smoked salmon tart with caramelized red onions and spinach

It has been a while since I've posted a tart recipe. Being that it's my namesake, I'm finally back to writing about tarts this week instead of French stews, salads and such. This is one of my all time favorite savory tarts. The saltiness of the smoked salmon marries perfectly with the sweetness of the caramelized red onions.

I made these last week for a luncheon that I catered. My poor daughter had a cold and was home from school, so I baked "chez moi" instead of at the commercial kitchen. I bought this shoe rack years back to use as a cooling rack for my home kitchen. It accommodates eight 10" tarts and it really saves on valuable counter space when I'm baking a large quantity of tarts at home.
The whole wheat crust (found here) goes nicely with this tart for a more wholesome option.

The fresh organic spinach is literally piled into the tart shell... so healthy.

And then the caramelized red onions and smoked salmon go on top of the spinach. Finally I pour the custard over the top of everything and bake.
I like to use hot smoked salmon (known as kippering) which is firmer and sold in fillets as opposed to cold smoked salmon (also called Nova Lox) which is softer and usually thinly sliced. The hot smoked salmon flakes nicely and is ideal for this recipe.
Smoked Salmon Tart
1/2 medium sized red onion - chopped
2 tablespoons butter
2 cups fresh spinach - chopped
4 eggs
1 cup cream
1/2 cup whole milk
1/2 teaspoon salt
1/4 teaspoon freshly grated nutmeg
1 1/2 cups flaked smoked salmon
1 recipe pate brisée - basic pastry dough - pre-baked (see below)
preheat oven to 375 degrees
Melt the butter on medium heat. Add the chopped red onion. Caramelize the red onion for 10 minutes until the onions are soft and lightly browned. In a large bowl whisk the eggs. Add the cream, milk, salt and nutmeg and whisk together until smooth. Place the chopped spinach in an even layer in the pre-baked tart shell. Arrange the caramelized red onion over the spinach followed by the smoked trout on the top. Pour the batter over the trout, spinach and red onion into the tart shell until full. Baked for 30 minutes until golden brown.
Pâte Brisée - basic pastry dough
I use this basic dough recipe for most of my savoy tarts. This dough freezes well so I like to make this dough in a double batch when at home and freeze the other one for later use if I'm not using it right away. I figure if you're going to the effort to make pastry dough then you might as well make two... so this recipe is a double. Remember, the key to a successful and flakey crust is to work quickly and keep the dough cold. You want the butter to remain in little pea sized balls throughout the dough for a flakey crust.
300 grams flour (2 cups) I like to weigh my flour for more accuracy
1/4 teaspoon salt
14 tablespoons unsalted butter - chopped
1/4 cup + 2 tablespoons ice water
In a food processor add the flour and salt and pulse until combined. Add the chopped butter and pulse until the butter is in small pea sized balls. Add the water and pulse until the dough just comes together.
Put the dough out to a floured surface and make into a large mound and cut in half with a pastry scraper. I like to weigh the halves so that they are equal. Put each half onto a square of wax paper and form into a disk. Wrap with the paper and chill for at least one hour.
If you are freezing at this time, then wrap again in foil and freeze. Let dough defrost in the refrigerator before use.
Roll out dough on a floured surface into a 13" circle. Place dough into a 10" tart pan and fold the overhang inward and press gently into the sides. Do not force or stretch the dough because a thin spot may cause the filling to leak. The dough edges should be a little bit higher than the side of the tart pan to help prevent shrinkage. Prick the bottom of the shell with your fork. Press a piece of foil (12"x13") into the edges of the shell and cover with the foil completely touching and covering the entire shell. Chill for at least a half an hour.
Preheat oven to 375 degrees.
Completely fill the foil covered shell with pie weights or dried beans. Put the shell into the preheated oven and bake for 20 minutes. Take out of the oven and remove beans and foil. Brush the inside of the shell with a beaten egg white to prevent leakage from small cracks. Return to the oven for about 10 minutes and bake until golden brown. Let cool on wire rack. The shell is ready to fill.
Click here for printable recipe.
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