Old Family Recipe

Old Family Recipe is one of the eight short stories of The Warren Witches. It is written by Diana G. Gallagher.

Summary
When Piper Halliwell hunts the family recipe for her Grams' special apple pie, she instead stumbles across a curse one of P. Russell's, Phoebe's past life and thinking it to be her Grams', she bakes the pie. The next day, strange things start to happen: everyone who ate the pie are fixated to what they did just after they had eaten the pie. Now will Piper alone be able to reverse the damage done?