Pronunciation: [wˌɒt kˈʊkɪŋ] (IPA) 
The colloquial phrase "what cooking" is spelled with a silent 'h' in the word 'what'. The phonetic transcription is /wʌt ˈkʊkɪŋ/. The 'w' sound is followed by the short 'u' sound, spelled as 'u' in 'cup'. The 't' sound is followed by the short 'u' sound again. The word 'cooking' is spelled as pronounced. The stress is on the second syllable, with the long 'u' sound, spelled as 'oo' in 'book'.
"What's cooking" is an informal idiomatic phrase that is often used as a colloquial greeting or question to inquire about what is happening, being prepared, or taking place. It is typically used in casual conversations among friends or acquaintances and is equivalent to asking, "What's happening?" or "What's going on?"
This phrase originates from the literal meaning of cooking, which refers to the act of preparing food through the process of heating and combining ingredients. However, in the context of conversation, it extends beyond its culinary definition. "What's cooking" is a way of asking for information or updates on any ongoing activities, situations, or plans that may be of interest or relevance to the speaker.
The phrase is commonly used to initiate small talk or to express curiosity or interest in knowing about recent developments or events. It often conveys a friendly and relaxed tone, inviting the individual being asked to share news or updates. The response to this question can include a wide range of possibilities, such as talking about recent achievements, personal experiences, upcoming events, or general topics of discussion. Overall, "What's cooking" serves as an informal and friendly greeting that prompts dialogue and facilitates conversation.
The phrase "What's cooking?" or "What cooking?" is an informal way of asking what is happening or what is going on. Its etymology can be traced back to early 18th century American English.
The word "cooking" in this context is a metaphor for activity or progress. It is likely derived from the idea of something being prepared or cooked, and thus undergoing changes or developments. The phrase implies curiosity about the current situation or events.
Over time, "What's cooking?" became a popular idiomatic expression, used in casual or colloquial conversations to inquire about ongoing or upcoming events. It is generally used to ask what someone is working on, planning, or involved in, rather than a literal inquiry about cooking.
