Annie Bananie is the new girl at Nichols school and every girl wants to be her friend. On the first day of school, the teacher announces that for Lucky Lunch Day the kids will visit someone else's house for lunch instead of eating at school. Libby really wants Annie Bananie to visit her house and tries to think of the best lunch for her friend. But with Libby's mom away, Grandma Gert will have to serve the girls lunch. Grandma Gert says she'd be happy to play waitress, but she eats only potatoes. Libby can't serve only potatoes to Annie Bananie! Libby knows she has to come up with a great plan so that Annie will be her best friend to the end.