You could sew two lines and cut between them to 'steek' the stitches, but the result will be noticeable and with the wear and tear a baby blanket gets, there's no guarantee that it will hold up in the long run without unraveling.
Hopefully by now you're well on your way to a reknit flat blanket.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry