Brooklyn-based Van Leeuwen Ice Cream is bringing seven exclusive flavors to Walmart nationwide. The limited collection, scheduled to arrive at 3,500 Walmart stores Monday, includes Kraft Macaroni & Cheese Ice Cream, Pizza, Hot Honey, Royal Wedding Cake, Bourbon Cherries Jubilee and Wild Blueberry Shortcake. The company says, “We have created a collection of classic flavors using thoughtfully sourced ingredients, from local…