Ingredient:

• 1/2 cup aged balsamic vinegar
• 1/4 cup olive oil
• 1 tablespoon Worcestershire sauce
• 6 garlic cloves, finely minced
• 1/2 cup sliced green onion
• 1 teaspoon freshly ground black pepper
• 2 teaspoons kosher salt
• 1/8 teaspoon cayenne pepper
• 2 teaspoons honey
• 1/4 cup fresh rosemary leaves
• 2 pounds beef top sirloin
• 4 skewers