Grocery chains, food specialty stores, even convenience stores and gas stations are serving up hot meals to millions of hungry, hurried customers – 2.4 billion meals in 2015 as a matter of fact. From Loblaws’ bakery-cafes serving coffee and cupcakes, to food halls with servers and salad bars at Whole Foods, grocers are tapping into a market IKEA has long known to be lucrative. The question is, how to make it a success?