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1
Preheat 350F.
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2
Roll out tart crust dough on floured work surface to 13-inch round.
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3
Transfer to 9-inch-diameter tart pan with removable bottom, pressing into place.
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4
Trim dough overhang to 1/2 inch.
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5
Fold overhang in; press firmly, forming double-thick-sides.
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6
Freeze 15 minutes.
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7
Line crust with foil.
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8
Fill with dried beans or pie weights.
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9
Bake until sides are set, about 15 minutes.
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10
Remove foil and beans, Bake until crust is golden brown and baked through, piercing with fork if crust bubbles, about 18 minutes.
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11
Transfer pan to rack; cool crust completely.
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12
Finely chop 1/2 cup blueberries in processor.
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13
Transfer to heavy medium saucepan.
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14
Add 3 tablespoons lemon juice and sugar and stir over medium heat until mixture boils and thickens slightly, about 3 minutes.
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15
Remove from heat.
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16
Stir in remaining 2 1/2 cups blueberries.
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17
Cool.
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18
Combine 1 tablespoon water and 3 tablespoons lemon juice in heavy small saucepan.
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19
Sprinkle gelatin over.
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20
Let stand 10 minutes to soften.
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21
Stir over low heat just until gelatin dissolves.
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22
Set aside.
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23
Bring 1/4 cup cream to simmer in heavy medium saucepan.
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24
Remove from heat.
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25
Add white chocolate and stir until smooth.
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26
Whisk in gelatin mixture.
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27
Refrigerate until just cool and beginning to thicken slightly, stirring often, about 10 minutes.
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28
Beat remaining 3/4-cup cream in medium bowl until stiff peaks form.
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29
Gently fold into white chocolate mixture.
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30
Spoon mousse into curst; smooth top.
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31
Refrigerate until set, about 2 hours.
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32
Spoon blueberry mixture over white chocolate mousse, covering completely.
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33
refrigerate until cold, about 1 hour.
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34
(Can be made 1 day ahead.
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35
Keep refrigerated.)
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36
Remove tart from pan.
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37
Transfer tart to platter.
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38
Sprinkle with white chocolate shavings.
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39
Cut into wedges and serve.
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40
Mix flour, powdered sugar and salt in processor.
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41
Add butter; process until mixture resembles coarse meal.
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42
Mix egg yolks and water in small bowl.
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43
Add to flour mixture and process until moist clumps form.
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44
Gather dough into ball; flatten into disk for round tart or into square for rectangular tart.
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45
Wrap in plastic and refrigerate 1 hour.
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46
(Can be prepared 3 days ahead.
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47
Keep refrigerated.
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48
Let dough soften briefly at room temperature before rolling out.)