Combine ½ banana with all ingredients in a blender besides chia seeds. Blend for 20 seconds.
Add the chia seeds to a medium bowl pour over the chocolate banana mixture and whisk to combine.
Refrigerate the mixture for 10 minutes and give it a stir.
Add the chocolate banana chia pudding to jars and if you'd like, layer the rest of the banana in layers in the jars.
Refrigerate the chia pudding for at least 4 hours and enjoy.