New Fave Jarred Marinara (+ Mom's Lasagna)

A few weeks ago I gave a talk at the Museum of Food and Drink in Brooklyn, and during the Q&A period at the end, someone asked the million dollar question: What's for dinner tonight?
Because I'm a faithful follower of the dinner-in-the-morning religion (for the uninitiated: The practice of taking a few seconds to decide what's on the menu later and thaw …