Choose chunky yarn or jumbo yarn
Select a pair of large knitting needles or use arm knitting
Decide the blanket size
Measure enough yarn for the desired size
Cast on the required number of stitches
Knit every row in garter stitch or use a simple stitch pattern
Keep the tension even throughout
Continue until the blanket reaches the desired length
Bind off all stitches
Weave in loose ends
Trim any excess yarn
Block the blanket if needed
Wash according to yarn care instructions