Don't just through the seed out - there is oftentimes quite a bit of tasty fruit left on there! This can be used in cooking or simply nibbling on it to get all the fruit off. My favorite use is to use it to flavor water. In some u003ca rel=u0022noreferrer noopeneru0022 href=u0022https://www.mango.org/blog-uses-for-mango-seeds/u0022 target=u0022_blanku0022u003ecountries it's used as a teether for babies.u003c/au003e