Chocolate Truffle Tart

Directions

1. 1
   For Crust:.
2. 2
   Combine flour,sugar,cocoa and salt in processor.
3. 3
   Add butter and cut in until mixture resembles fine meal.
4. 4
   Blend in vanilla and enough water by teaspoonfuls to bind dough.
5. 5
   Gather dough into a ball; flatten into disk.
6. 6
   Wrap in plastic and refrigerate at least 30 minutes.
7. 7
   (Can be prepared 1 day ahead.
8. 8
   Let dough stand 15 minutes at room temperature to soften slightly before rolling.
9. 9
   ).
10. 10
    Preheat oven to 375 degrees.
11. 11
    Roll dough out between sheets of waxed paper to 13 inch round (dough will be paper thin).
12. 12
    Peel off top sheet of paper, invert dough into 11-inch-diameter tart pan with removable bottom.
13. 13
    Press dough into bottom and up sides of pan.
14. 14
    Peel off sheet of paper and pierce bottom of dough with fork.
15. 15
    Bake until pastry is set, about 12 minutes; cool on rack.
16. 16
    For Filling:.
17. 17
    Scald 1 1/2 cups cream in heavy medium saucepan over medium heat; reduce heat to low.
18. 18
    Add chocolate and stir until mixture is melted and smooth.
19. 19
    Pour filling into tart shell.
20. 20
    Refrigerate until firm, at least 4 hours.
21. 21
    (Can be prepared 1 day ahead.
22. 22
    Cover tart loosely with plastic wrap.
23. 23
    ).
24. 24
    Before serving, sift 1 tablespoon of cocoa over tart.
25. 25
    Spoon whipped cream into pastry bag fitted with medium star tip.
26. 26
    Pipe rosettes of cream around border.
27. 27
    Sprinkle shavings over rosettes, garnish with a strawberry or a few raspberries and serve.