Step aside kale and spinach! In the South, it's everything about collard greens, and this Southern-style dish is the one to beat (with almost 2,000 reviews and a 5-star ranking on Allrecipes!). Nicole reveals you how it's done from trimming and cleaning your greens to achieving the best taste and tenderness. Though scrumptious at any time of year, this Southern specialized is the supreme side meal to serve at your next summer barbecue. Get the dish here:…