"Adjust the pulled pork recipe for 5.5 pounds of pork shoulder with the following original ingredients: 1 teaspoon vegetable oil, 1 (4 pound) pork shoulder roast, 1 cup barbeque sauce, 1/2 cup apple cider vinegar, 1/2 cup chicken broth, 1/4 cup light brown sugar, 1 tablespoon prepared yellow mustard, 1 tablespoon Worcestershire sauce, 1 tablespoon chili powder, 1 extra large onion chopped, 2 large cloves garlic crushed, 1 1/2 teaspoons dried thyme, 8 hamburger buns split, 2 tablespoons butter or as needed. Scale all ingredients proportionally for 5.5 pounds of pork shoulder."