Earlier quoted context omitted.
A naive hope perhaps, but this ignores the risk of LLMs just creating a bad recipe based on the blind combination of various recipes in their training data.
As the parent comment said the people seemed to be enjoying the food otherwise so the LLM didn't create an unpalatable combination, and I can't think of any combination of edible and unharmful ingredients that might combine to something harmful (when consuming a reasonable amount)
If meat was involved, the cooking time may have been unsafe if other precautions weren't taken by the cook (like checking the internal temperature).