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1
Place the dough ingredients into a mixing bowl and blend until the dough holds together. Turn the dough onto a floured surface and knead until smooth. Place in an oiled bowl and cover with plastic. Let rise about 40 minutes. Punch down down and divide into two equal pieces. it into two equal pieces. Cover the pieces well with oiled plastic.
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2
Preheat the oven to 375u00b0F.
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3
Chop the spinach and place it in a small bowl. Blend in the garlic and set aside.
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4
Lightly coat a square or round 9 x 2-inch removable bottom tart or spring form pan with olive oil and set aside.
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5
Roll one piece of dough out on a floured surface into a 14-inch square or round (keeping the remaining dough covered with plastic wrap).
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6
Line the prepared pan with the rolled out dough, letting the excess dough drape over the sides of the pan.
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7
Spread half of the spinach mixture over the bottom of the dough.
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8
Spread half of the cheese mixture over the spinach, then half of the red peppers.
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9
Repeat the layers with the balance of ingredients, ending by drizzling the truffle oil evenly over the top layer.
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10
Salt and pepper to taste.
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11
Roll the remaining piece of dough out into an 11-inch square or round. With a pastry or pizza wheel, cut 10 one-inch wide strips.
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12
Place five of the strips an inch apart over the filling. Place the remaining strips across the first strips diagonally to create a lattice pattern.
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13
Trim the excess dough leaving a slight overhang. Roll the overhanging dough in towards the tart and press it down near the rim of the pan.
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14
Brush the top of the tart with the beaten egg and let it rise, covered with oiled plastic, for 30 minutes.
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15
Bake the tart on the oven rack closest to the heat source for 35 to 40 minutes, until the crust is golden brown.
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16
Cool the tart on a rack for five minutes before removing the pan.
