Hindsight Labs has cooked up Paprika Recipe Manager 1.0 (http://www.paprikaapp.com/) for Mac OS X 10.7 (“Lion”). It’s available for US$19.99 in the Mac App Store in the Lifestyle section.
Paprika offers recipe management with ingredient scaling, grocery lists, and meal planning. If you have an iPhone or iPad, Paprika Cloud Sync will automatically sync over your recipes, grocery lists, and meals, allowing you to take your collection everywhere.