We taste-tested 18 deli turkey brands available at supermarkets and online. To identify the best, we sampled each without knowing which was which. Our top picks are Dietz & Watson, Trader Joe’s, Good & Gather, and Oscar Mayer. Deli turkey is all about convenience. You could cook your own turkey breast (if you can find it outside of November), slice it thin, and use it for sandwiches—but it’s hard to beat grabbing a package from the deli case. It’s an easy way to cover lunches for the week without the mess of cooking or cleaning. The subtle sweetness of deli turkey pairs well with savory fillings, making for a balanced bite. Turkey and cheddar, turkey and avocado, a turkey club , turkey and pesto—the list of great turkey sandwiches is limited only by your imagination. With so many options available, it can be hard to know which deli turkey is worth buying. Our editors taste-tested 18 oven-roasted and smoked deli turkeys to find the best.…