01 - Combine cold water, kosher salt, and sugar in a large mixing bowl, stirring until fully dissolved.
02 - Submerge the chicken or turkey breast in the brine, cover the bowl, and refrigerate for 4 to 8 hours.
03 - Preheat your oven to 325°F.
04 - Remove the meat from the brine and pat it thoroughly dry with paper towels. Evenly sprinkle black pepper, garlic powder, onion powder, smoked paprika, and dried thyme over the surface, gently rubbing the seasonings into the meat.
05 - Roll the seasoned meat tightly in parchment paper, then wrap it securely in aluminum foil, twisting both ends to form a firm, compact log.
06 - Place the wrapped meat log on a wire rack set over a rimmed baking sheet.
07 - Roast for 1 hour, or until a meat thermometer inserted into the center reads 162°F.
08 - Remove from the oven and allow the meat to cool completely, preferably refrigerating it overnight for easiest slicing.
09 - Using a sharp knife, slice the chilled deli meat as thinly as desired for sandwiches, salads, or charcuterie boards.