eggs in moonshine vs pie in the sky

eggs in moonshine

noun

  • A fanciful notion; an unrealistic or ludicrous concept. 

pie in the sky

noun

  • A fanciful notion; an unrealistic or ludicrous concept; the illusory promise of a desired outcome that is unlikely to happen. 

How often have the words eggs in moonshine and pie in the sky occurred in a corpus of books? (source: Google Ngram Viewer )