Pasta heated in the skillet with sauce has a vastly different and superior flavor and texture compared with pasta that is simply sauced on the plate. No matter how great a sauce you can make, if you don't sauce your pasta correctly, you're missing out on one of life's greatest pleasures. Conversely, even a so-so jarred marinara sauce can be improved upon by finishing it off right. Here's how to properly sauce your pasta, step by step.