How about konjac?
①Monica: I need to come up with a diet menu, do you know of any good ingredients?
②You : Oh, in that case, how about konjac?
③Monica: What's that?
④You : (take it out of the fridge to show) This is it.
⑤Monica: Ew, it smells bad! What is it made of? Do you eat this? How do you even cook it?"
⑥You: ( )