Pre-heat Oven to 350 degrees.
Grease Tart Pan
In a Food processor, mix the flour, sugar, salt, egg yolk, and the butter until smooth. Wrap dough into baking foil, and chill in the refrigerator ca. 30 minutes.
On a flowered surface, roll out dough. Then transfer into Tart pan.
Over the dough place Baking weights (or Beans) to prevent dough from raising during baking.
Bake for 10 minutes, remove the Beans, then bake additional 10 minutes.
Allow the Crust to cool completely. Then remove from Tart pan.
Whip the heavy cream.
In Mixing Machine, add cream cheese, mascarpone, powdered sugar, lemon zest, lemon juice. Mix on highest setting until smooth and creamy. Then fold whipped cream into cream cheese mixture.
Fill cream into Tart. Decorate with Cherries, or any other fruit to your liking. A perfect combination would be Blueberry, Blackberry, Raspberry and Strawberry.
Chill the Tart until Serving