It really successfully imports and de-clutters recipes from any and all recipe sites I've thrown at it. Ben Awad, the programmer behind Saffron, actually posted about their scraping technique on HN to significant success: https://www.benawad.com/scraping-recipe-websites/ (https://news.ycombinator.com/item?id=23142220)
Their UX is unmatched, they've got apps for iOS and Android in addition to the web app itself. Undoubtedly one of my favorite pieces of software.