“In over 40 years, I can’t remember a moment in time where I’ve been more excited, more enthused,” he added.
The firm plans to bring the selection of hot and iced drinks to stores in Southern California in the US this spring. The UK, Middle East and Japan are set to follow later this year.
The Oleato range, which will be launched on Wednesday in Italy, features an iced shaken espresso and a latte with olive oil “steamed with oat milk”.
There will also be a cold brew coffee in which “a silky infusion of Partanna extra virgin oil with vanilla sweet cream foam… slowly cascades through the beverage”.
Olive oil is a key part of the Mediterranean diet, associated with countries including Italy, Greece and Spain.
Its health benefits can partly be attributed to its monounsaturated fatty acids, which contain vitamins and minerals, and polyphenols, that are micronutrients derived from plants.
The term “drink olive oil” trended on video-sharing platform TikTok last year, with supporters saying it had anti-inflammatory properties.
At that time, Mr Schultz said: “We are not coming to teach Italians how to make coffee. We’re coming here with humility and respect, to show what we’ve learned.”