I don't think any ratio variant could mess this up. I've never made a pasta sauce with sour cream, and I was both worried and intrigued by warming it up as a base. But I had faith Guarnaschelli ...

A thick, nurturing sauce is the perfect pairing for just about any shape of pasta. But from your favorite creamy chicken Alfredo to an equally creamy Parmesan sauce over rotini, there's one ...