The title for the toughest fruit to eat is a tie between the Macadamia Nut (technically a fruit/seed) and the Wood Apple (Bael). The Macadamia nut is world-famous for having the hardest shell of any nut; it requires approximately 300 pounds per square inch of pressure to crack, making it impossible to open with a standard handheld nutcracker. In its natural state, you would need a hammer or a specialized vice to reach the meat. The Wood Apple, native to India and Sri Lanka, is equally daunting; its exterior is a "stone-like" wooden husk that is so hard it must be smashed open with a heavy object or a machete. Once inside, the pulp is fibrous and filled with sticky, resinous seeds, requiring it to be strained or blended into a juice to be palatable. Other "tough" contenders include the Durian, which is physically difficult to open due to its thick, thorn-covered skin (and its notorious smell that makes it "tough" for the senses), and the Pomegranate, which is "tough" in terms of the labor required to extract the hundreds of arils without making a mess. In 2026, most of these are sold "pre-processed" in markets, but the "noble struggle" of opening them fresh remains a culinary challenge.