Sep 24, Miss Robbie Montgomery, founder of Sweetie Pie's soul food chain, shares some of her most delectable dishes. Transform common mac and. This recipe was given to me by a coworker Becky. So first of all I want to thank her . It is a special Mac and Cheese that she gave to everyone in our department. You can make your own homemade version of Sweetie Pie's Mac & Cheese with this easy to follow recipe. So good, you may want to start your own restaurant.