Finely chop the walnuts and place in a shallow bowl

Finely dice the onion and place in a medium bowl

Remove the leaves from the parsley stems and mince

Add to the onion

Add the cream cheese and some salt and pepper to taste

Mix together to blend thoroughly

Using the cheese knife, cut off the rind from the Brie and cut into 18 pieces

Flatten each piece of Brie into a circle and place 1 teaspoon of the cream cheese mixture in the center of each

Gently enclose the filling with the Brie and roll into a ball. Roll the cheese balls in the walnuts and place in candy papers

These refrigerate for 24 hours but remove from refrigerator 30 minutes before serving.