Choose yarn and a crochet hook that match the yarn weight
Make a slip knot
Create a foundation chain to your desired blanket width
Add one or more turning chains, depending on the stitch
Work the first row of stitches into the foundation chain
Continue stitching row by row until the blanket reaches the desired length
Keep your stitch count consistent across each row
Change colors if desired by joining new yarn at the end of a row
Fasten off the yarn when finished
Weave in all loose ends with a yarn needle
Block the blanket if needed to even out the shape
Add a border if desired