What is pork calas?

"Pork Calas" is not a recognized culinary term or dish. It's possible there might be a misunderstanding or a typo.

It's likely that you are thinking of a similar dish, perhaps with a slight variation in the name. To help you find what you're looking for, can you tell me:

* Where did you hear this term? Was it in a recipe, a restaurant menu, or from someone?

* Can you describe the dish? What ingredients are you thinking of?

* What region or country is the dish associated with?

With more information, I can help you find the right dish!