The artisanal condiment maker Kensington & Sons has added a line of mayonnaises to its offerings that surpasses anything one is likely to find on supermarket shelves. Sir Kensington’s Gourmet Scooping Mayonnaise is available in two flavors: the classic mayonnaise, which enhances any sandwich or potato salad, and a chipotle-infused version so flavorful it tempts one to eat it out of the jar. The mayonnaise follows the 2010 inaugural release of Sir Kensington’s Scooping Ketchup and continues the company’s co…