Topokki (or ddukbokki?) Korean snack
 

EasyGoodFastFood.com - Dduk bokki

Seems easy but this post only use brief measurement..

I guess first of all you should consider whether you can accommodate a second cat (space, food and vet costs, time, etc), and also if you're willing to take on a second cat on a personal level, not just as a companion for your current pet.