I found the puff stitch in this pattern very awkward to do and I couldn’t always get the tension the same from one puff stitch to the next. I did another blanket with a puff stitch in it that I really like so I’m using that one.

Yo, insert hk in next st, yo, pull yarn through st, yo, pull yarn through 2 lps on hk, yo, insert hk in same st, yo, pull yarn through st, yo, pull yarn through 2 lps on hk three times, yo, pull through all 5 lps on hk

Border:
Row 1: sc around with 3 sc in corners
Row 2: 4dc in each sc around with 3dc in middle corner sc
Row 3: dc in each dc around