You can take the man out of Kansas City, but not Kansas City out of the man. Missouri-native Darryl Bell Jr. knows that eminently. He’ll be the first to acknowledge that this city, steeped in history, jazz, and world-class barbecue, flavored and seasoned his upbringing in countless ways that linger. So much so that when this chef – who’s cooked in the celebrated kitchens of Alinea in Chicago, Bouchon in Yountville, Etoile in Napa, Michel Troisgros in Tokyo, Press in St. Helena, and restaurants in France – embarked on his first entrepreneurial venture, it had Kansas City written all over it. Bell’s company, Stateline Road BBQ , is named for the major thoroughfare that divides Kansas City, MO and Kansas City, KS. Not surprisingly, it’s a hotbed for great barbecue joints. His first product, 816 BBQ Sauce, carries the imprint of the area code of Kansas City. A zesty blend of Central Valley tomatoes, Gilroy garlic, brown sugar, vinegar, and a hush-hush blend of spices, it’s just the right amount of sweet, heat, and piquant that reveals itself on the palate like a fine wine. In fact, one Napa Valley winery owner christened it the “Mercedes-Benz of barbecue sauces.’’ None other than Thomas Keller took one taste and put it on his menus served aboard all Seabourn luxury cruise ships.…