October 14th, 2010

Caramelized Onion-Chanterelle Tart

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It’s been a busy-busy two weeks since we last gathered at Good Food Matters, what with The 10-10-10 Wedding and all related pre-and-post preparations and festivities. I confess, part of it is a blur, a whirling happy extended dream sequence of flickering lights and flowers, dotted swiss organza, families, friends, more families, beautiful food, brilliant toasts, divine cake, crazy soulful dancing,

from which I’m only now awakening.

To be sure, I couldn’t have dreamt a lovelier occasion.

I figure my thirty years of working with food, catering countless receptions, was all for this moment. Friends and colleagues came together to help create a gorgeous event. So much love. So much gratitude.

In the midst of all the planning for the Big Weekend, I had decided to host a farewell brunch, especially for those who were traveling, on the morning after the wedding party.

I know what you’re thinking–what was she thinking?

But when you are a recovered caterer planning your daughter’s wedding, you feel invincible. You believe you can do anything. And, you know that you can do just one more thing. You think, Hey, it’s no big deal…Just a few people for bagels and schmear, a little fruit salad, maybe a quiche or two…

Towards the end of the wedding evening, as people were leaving, many with the same parting words, “I’ll see you at the brunch tomorrow!” it was clear that a much larger get-together was looming. And, in my rhapsodic mother-of-the-bride blur, it dawned on me: “What was I thinking?”

My, my. It would be a righteous early morning.

With the help of Bill and houseguest Carissa, we put together a pretty nice spread. One of the things I whipped up was this caramelized onion tart. Yep, whipped it up. You can too. It was much loved at the brunch of 35 guests; not a speck left. I didn’t (get to) eat any, but the word was Sublime, I was told.

I’ve recreated it today, so that you and I could enjoy it. And, guess what? Ours is even better! Because I found the delectable Chanterelle mushrooms at a discount (from $24 lb. to $16 at Whole Foods! sounds obscene, but you only need $4 worth) I decided to treat us. We deserve it!

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The tart combines all those elements that create Umami, the “fifth taste,” savoriness.

There’s gruyere cheese, with its salt, and milky caramel richness. Onions cooked down to almost candy. Background herbal notes from fresh thyme. Little bites of sharpness from coarse grained mustard. And, finally…the chanterelle. Hmmm. Golden trumpets that need just a hint of heat and butter to become sultry sirens of umami.

Wow.

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If you make your pastry up ahead of time, and keep it refrigerated, it rolls out easily—and thin.

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I learned this trick a long time ago–rubbing the mustard into the dough adds another layer of flavor.

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Eggs and Half-and-Half comprise the custard. If you find the cheese called Comte, try it! It is as complex and wonderful to use as Gruyere.

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CARAMELIZED ONION-CHANTERELLE TART

Crust:
1 c. All Purpose Flour, sifted
1 t. Salt
6 T. Butter, chilled, cut into pieces
3-4 T. Ice Water
later: 1 T. coarse grain mustard

In a food processor fitted with the pastry swivel, pulse together the flour, salt, and butter. Add water–3 Tablespoons to start–and pulse until the dough gathers into a ball. Add another Tablespoon of water if necessary.

Wrap the dough ball in plastic and refrigerate for at least one hour
—but does well to make in advance, and refrigerate overnight.Roll out dough on a flour-dusted surface until round, thin and pliable. Place into tart dish (I used a 12″ tart pan) and press onto the sides.

Coat surface with 1 Tablespoon Coarse Grain Mustard. Refrigerate until
ready to fill.

Filling:
1 Tablespoon Butter
4 medium Onions, sliced lengthwise
a few sprigs of fresh Thyme leaves
2 cups Half-and-Half
3 large Eggs
1 c. shredded Gruyere cheese
Sea Salt
Cracked Black Pepper
4 oz. Chanterelle Mushrooms, sliced lengthwise

Melt butter in a deep skillet on medium heat and slowly saute onions until soft, slightly browned, and very sweet. This may take fifteen minutes.

Season with salt and black pepper. When cooked, stir in the fresh thyme leaves, and place into a small bowl. In the same skillet, melt another tablespoon of butter and gently stir the sliced chanterelles until they are butter-coated, soft, and golden. Remove from heat.

Beat eggs and half-and-half together until well blended–no trace of egg yolk remaining.

Bring out the tart shell. Sprinkle a layer of shredded gruyere on the bottom.
(about half of what you have) Spoon in all the onions. Pour in the egg mixture. Place pieces of cooked chanterelle all over the top, along with the remaining gruyere.

Place into a 375 degree oven and bake for 40 minutes, or until golden brown, and mixture is set.

Delicious warm, or room temperature. Serves 8-10.

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Posted in Appetizers/Hors D'oeuvres, Breakfast, Egg/Cheese Dishes, Recipes | 31 Comments »