In Episode 15, "Battle Aboard the St.
Do People Eat Pokemon? 13 Examples From The Anime Of Eating Pokemon (Or Real Animals)
Later, in Episode 80, "Snow Way Out," Meowth mentions clam chowder while imagining that Team Rocket is soaking in a hot spring rather than trapped in a freezing igloo.
When presented with a sick Magikarp in Episode 26, "Hypno's Naptime," Ash remarks that it "looks like it's ready for the deli counter.
It sounds like the only thing preventing Tentacool from topping the menu at every seaside to not taste good.