Learn, practice, and apply baking chemistry with the Good Eats episode Three Chips for Sister Marsha (Season 3, Episode 5). Alton Brown takes a classic chocolate chip cookie recipe and applies food science principles to make three versions: Puffy, chewy, or thin.This video worksheet guides students through the episode to record how changes to a recipe affect the finished baked good. Recipe links for the episode are included and a lab experience to follow is highly recommended.Topics coveredThe r