You can make mittens in 5 minutes.
These happened to come from an old sweater that was no longer fit my husband.
I cut off the sleeves:
Made a mitten template by tracing my hand:
Placed the mitten template on the sleeve, using the wrist band as the wrist of the mitten. I cut around the template, leaving as much of the existing stitching in tact (I really only cut from the tip of the thumb down to the split and then up over to the outer edge.)
The finished product is pretty cozy, they'd be even cozier if I lined them with fleece or maybe felted them in the wash (the sweater was 100% wool).
I like quick, easy projects like these. So gratifying:-)