Need a Pattern to cover a cast

Help! I fractured my ankle and I’m all bandaged up. I’m looking for a really easy sock or slipper pattern that I can knit up quickly with size 8 or 10 needles so I can cover it and keep my toes warm. I am a newbie knitter - so nothing to difficult. Cabling is pretty much out of the question but i can handle ribbing. Does anyone have any suggestions?

lionbrand has somthing like that: