Cut the pears in half, and remove the cores using a melon baller, or spoon.
Place pear halves, flesh side up, on a parchment lined baking sheet, and lightly spray with cooking spray. Sprinkle with as much, or little, cinnamon as you desire.
Flip the pears over, so the cut side is down, and bake for 15 minutes.
Remove the baking sheet from the oven, and flip the pears so the cut side is up. Place walnuts on baking sheet, in between pears.
Bake pears and walnuts for another 15 minutes.
Place 2 pear halves and ¼ of the walnuts in each bowl, and drizzle with a few tablespoons of chocolate sauce.