Barry is baking his wedding cake and tells Natalie "there's nothing to it." Later he runs into the restaurant and asks Rosa if she has a piping bag he can borrow. She looks at his apron, covered in flour, and asks if he has had some sort of accident. He runs back home and then back again a few minutes later with a spoon and asks if it is a tablespoon. Rosa says no - it's a dessert spoon - and Barry despairs as all his measurements have been wrong! (thetvdb.com)