?Do you love Built Puffs? Brownie Batter is the best puffs bar yet. Imagine going to brownie-marshmallow heaven and then make it a reality when you try this incredible bar. It has a delicious brownie batter flavor, perfect fluffy texture, and, it is covered in Built’s signature 100% chocolate. This will have you completely forgetting that you are eating a protein bar. No need to pinch yourself, this is real life.