chocolate berry tart

Crust:
1/2 cup semi-sweet chocolate chips
1/4 cup (1/2 stick) unsalted butter

3/4 cup graham cracker crumbs
1/4 cup finely ground pecans

Filling:
3 tablespoons heavy whipping cream
1 cup (6 ounces)  white chocolate chips
3/4 cup (6 ounces) cream cheese, softened
1/2 cup granulated sugar - divided
1 (10-ounce) package frozen raspberries, thawed
2 tablespoons lemon juice
3 tablespoons cornstarch
2 cups medium strawberries, cut in half lengthwise

1. For Crust: Preheat oven to 375°F (190°C). Grease 9-inch tart pan with removable bottom.
2. Melt semi-sweet chocolate chips and butter in a saucepan over lowest possible heat. When morsels begin to melt, remove from heat; stir. Return to heat for a few seconds at a time, stirring until smooth. Remove from heat. Stir in graham cracker crumbs and pecans. Press onto bottom and up sides of prepared pan. Freeze for 5 minutes.
3. 
   Bake for 8 minutes. Cool completely in pan on wire rack.
4. For Filling: Heat cream in small saucepan over medium heat until it just begins to boil. Turn off heat. Add white chocolate chips; whisk until smooth. Remove from heat. Reserve 2 tablespoons mixture in small resealable plastic bag.
5. Beat cream cheese and 1/3 cup sugar in large mixer bowl for 2 minutes. Stir in remaining white morsel mixture from saucepan. Pour into crust. Refrigerate for 30 minutes.
6. Place raspberries and their juice in blender container or food processor. Cover; blend or process until crushed. Strain through a strainer into a small saucepan. Discard seeds. Add remaining sugar. Combine lemon juice and cornstarch and add to raspberry mixture. Over medium heat cook for 5 to 6 minutes or until thickened; do not boil. Cool to room temperature.
7. Place strawberries in raspberry mixture to coat. Remove with slotted spoon; arrange over top of tart. Spoon raspberry mixture over tart. Reheat reserved white chocolate chip mixture in microwave to melt. Cut small hole in corner of bag; drizzle over tart. Refrigerate for at least 1 hour. Remove side of tart pan and place on serving platter before serving.