The custard fruit, a member of the fruit family, thrives in the Southern regions of the United States as well as tropical climates. This particular fruit possesses a vibrant green exterior, complemented by a distinctive greenish-white inner flesh. Its flavor, unfortunately, does not evoke pleasure when consumed. Nevertheless, it is noteworthy that amidst this assortment, there exists a solitary palatable variant. When this specific type reaches maturation, its hue undergoes a transformation, transitioning from green to a rich brown shade, while its inner flesh adopts a luscious yellow coloration.