Meanwhile, carve faces in your peppers. To do this, cut a round section on the top of the pepper. Discard the seeds and scrape away the insides. Being very careful, begin to carve the jack-o'-lantern face. When complete, set aside.
To prepare pasta sauce - add all ingredients to the bowl of your food processor. Process for 1 minute, or until smooth.
Transfer to a large bowl, add pasta and stir to coat.
Divide pasta amongst prepared peppers and pull strands of pasta through the mouths or eyes of the jack-o-lanterns.