Walnut Tart (Crostata di Noci)

A rich and flavorful tart filled with a walnut and caramelized sugar mixture.

For the crust:
- Flour
- Sugar
- Butter
- Eggs
- Lemon zest

For the filling:
- Walnuts
- Sugar
- Honey
- Cream (optional)

Prepare the pastry crust and line a tart pan. Cook sugar with honey (and cream if used), then mix in the chopped walnuts. Pour into the shell and bake until golden.