In a LARGE bowl, beat cream with cocoa until stiff peaks form.
Stir in chocolate syrup, sweetened condensed milk and cinnamon.
Pour into a shallow dish or plastic container, cover and freeze 8 hours or until firm.
*** I leave mine in the same blow i mixed it up inches It takes alittle longer to freeze but it turns out fine. I have even stirred it several times while in the freezing process.