This Milk Street recipe for Zuppa Forte, also known as zuppa di soffritto, is an old-school Neapolitan dish made by slow-cooking meats with garlic and other aromatics, along with tomatoes and preserved chilies, until reduced and concentrated.

https://www.mercurynews.com/2025/03/07/salty-pancetta-and-fermented-pepper-paste-lend-deep-umami-to-this-meaty-pasta-dish/