Both of these factors can make the dough rise faster than expected, in which case you'll want to cut the rise short and move onto the next step once the loaf looks puffy. (kingarthurflour.com)
These cookies will harden once cooled and they are supposed to look puffy once out of the oven! (naturalsweetrecipes.com)
The dough rises and whilst on the outside looks puffy and cooked inside it is usually split apart and not cooked. (rainydaymum.co.uk)