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1
Soak the wheat berries in plenty of cold water for at least 3 days, or until they soft and not rubbery, changing the water daily.
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2
Drain well.
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3
Put the wheat, lard and milk in the top of a double boiler and cook, covered, over boiling water for about 2 1/2 hours.
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4
Be sure to add boiling water to the botton pan every 20 to 30 minutes.
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5
(The wheat should be soft and in separate grains, like rice.
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6
If the wheat seems dry, add about Y cup more hot milk and stir well.
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7
Timing will vary depending on the age of the wheat berries.)
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8
Add the sugar and continue cooking another 30 minutes.
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9
Set aside to cool.
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10
The milk will continue to be absorbed as wheat cools.
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11
To make the pastry dough, combine the flour, sugar, salt and lemon rind in a bowl.
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12
Add the butter, cut into little pieces, and mix quickly, using your hands or a pastry blender.
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13
Mix in the ice water just until the dough holds together.
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14
Knead briefly to combine thoroughly, wrap in plastic wrap or foil and set aside to rest in a cool place for about 30 minutes.
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15
In a large bowl, combine the ricotta with the lemon zest, orange-flower water, vanilla, candied orange peel and egg yolks.
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16
Mix well and fold in the wheat.
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17
Set aside.
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18
Lightly butter and flour the bottoms and sides of two 9 1/2-inch tart or quiche pans with removable bottoms.
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19
Set aside about a third of the pastry, enough to make lattice tops for the two tarts.
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20
Roll out the pastry into thin circles and line the bottoms and sides of the tart pans.
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21
Preheat the oven to 375 degrees.
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22
Beat the egg whites until they are fairly stiff.
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23
Stir about a quarter of the egg whites into the ricotta mixture to soften, then fold in the remaining egg whites.
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24
Fill the tarts with the mixture.
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25
Roll out the reserved dough and cut into lattice strips to fit the tops of the tarts.
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26
Paint the tops of the tarts with the beaten egg and sprinkle with granulated sugar.
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27
Bake in the oven for 45 minutes, or until the crust is just golden.
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28
Cool on a rack and serve at room temperature or just barely warm.