"[Photographs: Elizabeth Barbone] Note: Ricotta salata adds a mild cheese flavor to this dish. If you are unable to find it, replace it with mozzarella. To make the pasta dairy-free, simply omit the cheese. About the author: Elizabeth Barbone of GlutenFreeBaking.com joins us every Tuesday with a new gluten-free recipe. She is the author of Easy Gluten-Free Baking. and "How to Cook Gluten-Free". Every recipe we publish is tested, tasted, and Serious Eats-approved by our staff. Never miss a recipe again by following @SeriousRecipes on Twitter!..."