Print SE Staff Picks: What's Your Favorite Taco Filling? Staff Picks The SE staffers weigh in on their favorites. The Serious Eats Team 71 GallerySE Staff Picks: What's Your Favorite Taco Filling? guide, we all sat around comparing our favorite varieties. From Texas breakfast tacos to a streetside taco truck's shredded, falls-apart-tender barbacoa, here are some of our favorite ways to fill a tortilla; let's hear yours!