Ingredients

• ¼ cup soy sauce
• 3 tablespoons light brown sugar
• 3 tablespoons distilled white vinegar
• ½ teaspoon garlic powder
• ½ teaspoon seasoned salt
• ½ teaspoon garlic pepper seasoning
• 4 fluid ounces lemon-lime flavored carbonated beverage
• 2 pounds beef sirloin steak, cut into 1 ½ inch cubes
• 2 green bell peppers, cut into 2-inch pieces
• 8 skewers
• ½ pound fresh mushrooms, stems removed
• 1 pint cherry tomatoes
• 1 fresh pineapple - peeled, cored and cubed