What do you need to make pancake batter?
user
OK, so do you mean, what do you need to make the batter for pancakes, or what are the ingredients you need for pancake batter?
assistant
What do you need to make pancake batter?
user
Hey!  Sorry, I have been trying to get back to you.  I'm available now, though.  I hear you need to make pancake batter.
assistant
What do you need to make pancake batter?