- One 3-pound eye of round roast (see note), trimmed of fat and silver skin
- 1 cup (packed) dark brown sugar
- 1 cup soy sauce
- 3 tablespoons Worcestershire sauce
- 1 tablespoon smoked paprika
- 1 teaspoon unseasoned meat tenderizer (see note)
- 1 teaspoon freshly ground black pepper
- 1 teaspoon red pepper flakes
- 1 teaspoon onion powder
- ½ teaspoon garlic powder