Prepare the pimento cheese: In a large bowl, combine all of the ingredients; mix well. Refrigerate until ready to serve.
Prepare the burger: In a large bowl, combine all of the ingredients; mix well with your hands. Shape into small patties about 1/4 cup in size. In a large skillet over medium heat, cook 4-5 patties at a time flattening into a disc shape. Cook 3-4 minutes per side.
Toast the buns and top each bun with a patty, tomato slice and large scoop of pimento cheese.
Makes 10 servings.