1/4 cup chopped garlic
1/2 cup chopped onion
1 dash soy sauce
1 tablespoon corn syrup
2 tablespoons apple juice
3 tablespoons Worcestershire sauce
1 teaspoon molasses
1/4 cup wine
1/4 cup Italian-style salad dressing
1/2 cup distilled white vinegar
1/2 teaspoon garlic powder
1/8 teaspoon salt
1/2 teaspoon onion powder
1 tablespoon Cajun seasoning
1/2 teaspoon crushed red pepper
1/4 teaspoon seasoning salt
1/4 cup brown sugar
8 pounds pork shoulder
In a large bowl, mix garlic, onion, soy sauce, corn syrup, apple juice, Worcestershire sauce, molasses, wine, Italian-style salad dressing, distilled white vinegar, garlic powder, salt, onion powder, Cajun seasoning, crushed red pepper, seasoning salt and brown sugar.
Score pork shoulder 1/8 to 1/4 inch deep. Place in the bowl with the marinade mixture. Marinate at least 4 hours in the refrigerator.
Preheat an outdoor grill for medium high heat and lightly oil grate.
Cook marinated pork shoulder on the prepared grill 3 hours, or until the internal temperature has reach a minimum of 165 degrees F (75 degrees C). Marinate frequently with the mixture while grilling.