Vegetable Onigiri is a healthy and refreshing Japanese rice ball recipe. To make this recipe, you will need the following ingredients: cooked Japanese short-grain rice, mixed vegetables (such as carrots, peas, and corn), soy sauce, salt, and nori seaweed sheets. Start by cooking the mixed vegetables until tender, then season them with soy sauce and salt. Season the cooked rice with salt and mix well. Wet your hands with water, then take a handful of rice and shape it into a triangle or oval shape. Make a small indentation in the center and place a spoonful of the mixed vegetables. Cover the filling with more rice and shape it into a ball or triangle. Wrap the onigiri with a strip of nori seaweed. Vegetable Onigiri is a light and nutritious option that is perfect for vegetarians or those looking for a healthier snack.