You could just add the steek stitches. There wouldn't be anything special to do for a one-color steek. You just might want to place markers since you wouldn't have the color change to remind you where the steek is.
"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