Solid food items (not liquids or gels) can be transported in either your carry-on or checked bags. Liquid or gel food items larger than 3.4 oz are not allowed in carry-on bags and should be placed in your checked bags if possible.
Chocolate (liquid)
Carry On Bags:
Yes (Less than or equal to 3.4oz/100 ml allowed)
Checked Bags:
Yes
The final decision rests with the TSA officer on whether an item is allowed through the checkpoint.