Halve the pears lengthways leaving the stems intact (only purely for aesthetic reasons; remove if you prefer).
Using a melon baller or a sharp knife, hollow out the core in each half. Place them cut-side up in a baking dish.
Sprinkle brown sugar over the pear halves and cover with foil. Bake for 30 minutes or until a knife inserted into the thickest part of the pear yields without any resistance. If they're still hard, bake for a few more minutes until they soften.
Add the filling ingredients to a small bowl and mix. Fill each hollowed-out part of the pear generously with the filling. Bake uncovered for a further 10-12 minutes until the cheese melts and the walnuts become golden. Serve warm.
Notes
I used those small sweet red pears. Use any sweet variety you can find. If using a tarter variety, adjust sugar and honey levels accordingly.