Life Campari’s classic Negroni recipe is more than 100 years old and is easy to make at home February 3, 2023 Morgan Hines, USA TODAY Comments Off on Campari’s classic Negroni recipe is more than 100 years old and is easy to make at home Campari, the maker of the red Italian bitter that characterizes the vibrant cocktail, shared its classic Negroni recipe with USA TODAY.