Overview: Rachael's dishing up an all-new mac and cheese for spring: Mac 'n Cheese with Dill, Chives + Mustard Breadcrumbs. Yes, please! Then, Kristen Kish of "Top Chef" is making broccoli bites inspired by the flavors of broccoli cheddar soup. Plus, meet a man using barbecue to spread love and hope in his community.