01 -
In a medium bowl, mix graham cracker crumbs with granulated sugar. Stir in melted butter until the mixture resembles wet sand.
02 -
Press the mixture evenly into the base and sides of a 20 cm tart pan. Compact firmly using the back of a spoon.
03 -
Refrigerate the tart shell to set while preparing the filling.
04 -
Pour heavy cream into a medium saucepan and heat over medium until just beginning to boil.
05 -
Remove saucepan from heat. Add chopped dark chocolate and corn syrup. Mix until chocolate is fully melted and smooth.
06 -
Gradually add butter pieces, stirring until completely melted and the chocolate mixture is glossy.
07 -
Pour the chocolate filling into the prepared tart shell, smoothing the surface if necessary.
08 -
Refrigerate the chocolate tart for at least 6 hours, preferably overnight, until fully set.
09 -
Before serving, top with chopped hazelnuts. Add dried rose petals and edible gold flakes if desired.