Bender cooks for the Planet Express crew, and the meals he produces are awful. Also, Zoidberg damages a ship-in-a-bottle that Professor Farnsworth has made. He frames Fry for the damage and the professor demands that Fry pay $10 for the material cost.
Running away, Bender hopes Elzar will teach him how to cook, but Elzar refuses. Following two hobos, Bender lands on the biggest hobo joint in the universe. There, Bender meets Helmut Spargel, a legendary cook who lost his television show when Elzar replaced him. Spargel begins to train Bender how to cook in order to get revenge.
Once Bender is finished with his training, he accidentally kills Spargel by causing his stomach to explode with the meal he has made. With his dying breath, Spargel reveals the secret to great cooking and gives him a liquid to use whenever he needs to spice up a meal.
Bender challenges Elzar to a cook-off on "Iron Cook". He applies the liquid that Spargel gave him and wins. During the contest, Zoidberg becomes remorseful of framing Fry when Fry is unable to pay for a commemorative turkey baster. Zoidberg publicly apologizes before trying to commit seppuku honorably using a ceremonial Wakizashi, only to damage the sword and falsely blame Fry.
When the professor examines the liquid in the bottle Spargel gave Bender, it turns out the liquid was water laced with LSD. The episode closes with the characters joyfully anticipating a meal prepared with plenty of Bender's new found "confidence".