You can dice the pineapple, cut it into large circles, or cut it into smaller squares. You can even use a handy-dandy pineapple corer if you want to get fancy.
[header] How to freeze pineapple [title] Cut up the pineapple. [step] You can cut the pineapple in any way you like, really. First, cut off the tops and bottoms with a sharp knife, and then shave off the skins and cut out the core.