When it comes to making chocolate, nothing gets more authentic than the bean-to-bar chocolate method. Cello Chocolate of Nevada City upholds this process, comprising one of the few actual chocolate makers in the country. “A lot of chocolate makers are chocolatiers, meaning they buy chocolate bars and make things like truffles out of them,” said co-owner Debi Russell, who operates Cello Chocolates with her husband Ned. “We actually make the chocolate from bean to bar.” Cello Chocolate began with the couple offering chocolate classes, enlightening people of the chocolate-making process. “A lot of people think you just take cocoa powder …