Banana sheet cake with fudgy chocolate frosting and a forgotten book

When I was a kid all my friends were tall and strong, unlike me – I had a sort of development delay, so to speak (due to my mom’s death) and I was very tiny. Can you imagine how much I loved P.E. classes? #not
I was always picked last for everything and I don’t blame my colleagues: I could barely hold a basketball, let alone play with it.
I’ve had this book for years and had only baked from it