They are very different spices. I don't care for cassia. I'll use it, no problem, but I much prefer Ceylon cinnamon. I grind sticks in a coffee grinder (you

They are very different spices. I don't care for cassia. I'll use it, no problem, but I much prefer Ceylon cinnamon. I grind sticks in a coffee grinder (you can't do this with cassia, it's too tough) and the freshly ground stuff is full of woody and citrus notes. Sometimes it smells like a threw in some orange peel, it's that noticeable.