Everybody has a go-to dish they bring to a potluck. For Sheinelle, that’s her spicy collard greens—a recipe passed down from her grandmother. The key ingredient, she insists, is the can of Ro-tel tomatoes and green chilies, which adds a little kick. Her grandmother used to use smoked ham hocks, but now Sheinelle prefers the flavor imparted by smoked turkey. “It’s always so tender and yummy, and it just f