Astronaut jerky.
Cannibal #1: I really can’t stand your Aunt Marjorie
Cannibal #2: Then just eat the vegetables.
In the book PACKING FOR MARS by Mary Roach the author recounts seminar with astronauts and scientists. The scientists were talking about recycling urine and solid waste for food. One astronaut shut the discussion down when he stood up and said “I don’t care what you say. We are not eating shitburgers.”
One-line summary: Everything you ever wanted to know about vomiting, sweating, pooping, wanking, and dying in space.