1. Wash and cut the squash in half and remove the seeds.
2. Mix butter, cinnamon and brown sugar together and pour into squash halves. Leave a little bit of this mixture aside for the end.
3. Place squash into slow cooker and pour water around it about 1 inch high.
4. Cook on low for 7-8 hours. Make sure squash is tender before removing from slow cooker.
5. Put remaining mixture from step 2 on top of the squash halves and serve. 

Serve : 4-6 people

Ready in : 5-10 minutes