Doonesbury by Garry Trudeau for May 17, 1972
Transcript:
Mike: Aha, so this is the famous wheat patch! Zonker: Right! The very source of last night's fine dinner! But you know, Mike, last night was just the beginning! When my wheat reaches maturity, I'll make bread, and cakes...pies! Dinner rolls!....Croissants! Mike: No!