Prepare the Tart Dough – Blend flour, sugar, and butter in a food processor. Add egg yolk and water until dough forms. Chill for 30 minutes.
Bake the Crust – Roll out dough, press into a tart pan, and bake at 350°F (175°C) for 12–15 minutes. Let cool.
Make the Mango Cream Filling – Blend mango puree. Beat cream cheese, powdered sugar, and vanilla. Whip heavy cream and fold into the mango mix.
Assemble the Tart – Fill the cooled tart shell with mango cream.
Decorate & Chill – Top with fresh mango, white chocolate drizzle, and edible flowers. Refrigerate for at least 1 hour before serving.