what's cooking → πώς πάει, πώς πάει η φάση, πώς τα πας, τι γίνεται, τι λέει, τι νέα, τι παίζει, τι συμβαίνει, τι τρέχει, τι χαμπάρια

[spiros]

what's cooking → τι τρέχει, τι συμβαίνει, τι γίνεται, πώς πάει, πώς τα πας, πώς πάει η φάση, τι χαμπάρια, τι νέα, τι λέει

(idiomatic, informal) A greeting, similar to how are you?; what's happening?; what's up?; what's new?
Hi there babe, what's cooking?
What's cooking, good-looking?
(idiomatic) Expression of concern, asking for an explanation, similar to what's going on?; what's the problem?; what gives?
what's cooking - Wiktionary