For the tart crust
- 300 g all-purpose flour, + extra for dusting
- 100 g icing sugar
- 1 pinch salt
- 180 g butter, ice-cold, cut into cubes
- 1 egg
- 1 tablespoon(s) water, ice-cold
- 1 egg yolk, diluted in 1 tablespoon water
For the filling
- 500 g strawberry jam
- 200 g chocolate couverture, finely chopped
- 100 g hazelnuts, coarsely chopped
- icing sugar, to serve