Going home for the holidays

Lily Potter craves to be as popular and good at being a wizard as her brothers James and Albus and like her mother and father are. She has a lot to live up to.
Her whole family expects her to produce a patronus charm and when she can't she flips out and almost destroys her fathers study, smashing a hidden time turner taking herself, her siblings and her cousins to the winter of 1995, Grimauld Place.
They have to figure out how to get back with only their past family who hardly know them to help.