Outside, Inside, Outside

Question: You throw away the outside, eat the inside, and throw away the inside.

Question: What did the boy ghost ask the girl ghost?

Question: Tear one off and scratch my head. What once was red is black instead. What am I?

Question: What tastes better than it smells?

Question: What goes in the water black and comes out red?

Question: What loses its head in the morning and gets it back at night?