Well, you can’t uncook it. But you can hide it. Chop up that overcooked egg and mix it into egg salad. The mayo and seasonings will mask the rubbery texture. Or mash it into a potato salad—nobody will know your dark secret.
Can You Overcook Hard Boiled Eggs? | chocho recipes
Another idea: feed it to your dog (if your vet says it’s okay). Dogs don’t care about culinary crimes. They just see a tasty yellow blob. Your dog will love you, and you’ll feel like a culinary hero for “not wasting food.”