CIPOLLINI ONION AND MUSHROOM TART

CIPOLLINI ONION AND MUSHROOM TART image

Number Of Ingredients 24

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Ingredients

For the crust:
2 cups unbleached all-purpose flour
1/4 teaspoon salt
3/4 cup (1 1/2 sticks) cold unsalted butter, cut into small cubes
2 tablespoons ice water
For the filling:
1 pound Cipollini onions, peeled and quartered
2 tablespoons olive oil
2 tablespoons balsamic vinegar
1 teaspoon salt
1/4 teaspoon freshly ground black pepper
2 tablespoons butter
1/4 teaspoon salt
1/4 teaspoons freshly ground black pepper
1 1/2 pounds mixed wild or cultivated mushrooms,
1 egg yolk (reserve egg white for topping, see below)
3/4 cup ricotta cheese
1 tablespoon olive oil
1/2 cup Parmesan cheese
1/4 cup chives
For the topping:
1 egg white
1/4 cup cream
1/4 cup Parmesan

Steps:

Preheat the oven to 350° F. To make the dough, place the flour and salt in a food processor and pulse. Drop in butter, pulse until like oatmeal. Add ice water and pulse once or twice, until more dough-like. Turn onto a floured board and form into a ball. Wrap in plastic and chill in refrigerator for at least 30 minutes. Meanwhile, peel and remove the root end from the onions. Place them in a pie dish or small roaster, toss with olive oil, vinegar, salt and pepper. Roast until the onions are soft and begin to color but still hold their shape, about 45 minutes. Remove from oven and cool. When pastry dough has chilled, roll out onto a lightly floured surface to a roughly 12" diameter circle. Gently lay into a tart ring, and fit into the ring evenly. Pierce bottom with a fork and return to refrigerator to chill. Slice any mushrooms larger than 2" long. Over medium flame, melt the butter. Add mushrooms, salt and pepper and saut&eactue; for about 5 minutes. Remove from heat. In a small bowl, mix egg yolk, ricotta, olive oil, Parmesan, and chives. Remove tart shell from refrigerator. Spread mixture evenly in bottom of tart shell. Nestle onions evenly across ricotta base. Scatter mushrooms in between onions. In a small bowl beat egg white, cream and Parmesan. Pour mixture evenly over top of onion and mushroom filling. Cover with foil and bake for 30 minutes, then remove foil and bake another 15 minutes, until top is bubbling and crust is slightly brown, but not too dark. Serve warm or at room temperature.