Yakiniku is not just about the meat; it also includes a variety of grilled vegetables. Some popular choices include bell peppers, onions, mushrooms, zucchini, and eggplant. The vegetables are usually cut into bite-sized pieces and grilled until they are tender and slightly charred. Grilling brings out the natural sweetness of the vegetables and adds a smoky flavor. The combination of grilled meat and vegetables creates a well-balanced and satisfying meal.