Well I just did this yesterday, lol.
I took 2 sandwich Tupperware containers, then I put half of the caninto each container. I used a spoon and spread it evenly over thebottom of the container, put the lid on, and put it in the freezer.About 2 hours later I checked on it. It was partially frozen, almostslushy, so I took a butter knife and etched lines in the pumpkin kindof like how you cut brownies (but smaller). After That I put it back inthe freezer, left it for a good few hours, took it out of the freezerwhen it was completely frozen, loosened the edges with a butter knife,and turned the containers upside down on the counter. The pumpkineasily came out of the containers and the marks I have etched inearlier made it an easy task to break the pumpkin into small oneserving pieces. Then I put it all into a Zip-lock container and put itin the freezer again ready to be taken out when I need a piece.