It means, "...which/that if you're cooking..." As a question, it could mean, "What if you're cooking?" In which case, there would be an accent over the e in 'que:' Qué.
Que tal? is si,ilar to "How's it going?".
It means, "What do you say we get started?"
"Apaco que si" does not have a specific meaning in Spanish. It could be a typo or misspelling of a phrase or word. Without more context, it is difficult to determine what it might be intended to convey.
If you like what you bought.
Claro Que Si was created in 1981.
Pizza hit 19703
It likes you, but...Que te gusta, masmas --- but, nonethelessmás --- more, the most...
In a question: What do you mean, yes? In a comment: Of course! (in response or agreement with a statement)
'if you could, then what you do'
It means: "This is if you like Shin Chan"
What do you do if the server does not hear you?
What a sweet life it really is.