Too many cooks spoil the broth
When too many people work together on a project, the result is inferior.
Idioms and Phrases with too many cooks spoil the broth
too many cooks spoil the broth
Too many persons involved in managing an activity can ruin it, as in Without a conductor, every player had an idea for how the music should go—too many cooks spoil the broth. This expression alludes to each of many cooks adding something to a soup, which finally tastes awful. It was already considered a proverb in 1575 (by George Gascoigne in The Life of P. Care).