Ina Garten, is no stranger to making good use of store-bought ingredients when the occasion calls for it. She shared on her Ask Ina blog that her favorite jarred sauce is Rao's Marinara Pasta Sauce.

Vodka sauce is famously simple to throw together but it isn't always the most flavorful dish. That is, not without Ina Garten's masterful trick.

The Barefoot Contessa is a fan of one brand in particular, so much so that she mentions it on her website several times. It's ...