Step by step

Grate the parmesan and combine with the rest of the filling

Tips
We suggest you also try a variation of this recipe, replacing the ground beef with some good quality ham.
Trivia
The potato contains several toxins especially in any green parts, and in its flowers and buds. Many of the toxins might be concentrated in the skin so scrub them well and if you are concerned about any green colouring, it is worth peeling them.