Long before Ad Hoc at Home became a holiday pick and bestselling cookbook, Thomas Keller's Ad Hoc restaurant was a go-to Napa Valley spot for family-style comfort food. When the culinary deity first opened Ad Hoc in 2006, he intended for it to be a temporary café until he could nail down what his ultimate dining concept would be. But the restaurant, which served a set, four-course American meal every night, experienced such wild success that it became a permanent fixture. Although Ad Hoc is known for its dinners, I've recently discovered that its Sunday brunch is a better value and more consistent in execution. It's truly worth the 80-minute drive from San Francisco. To see two of my favorite brunches, keep reading.