Knock Up (UK): to separate the layers of raw puff pastry with the blade of a knife, to help with their rising in cooking  
- ↑ Jus-Rol Professional, Puff Pie Lids and Decorations, . Accessed 29 October 2015.
- ↑ Yahoo! Answers, What Do These Pastry Cooking Terms Mean?, . Accessed 29 October 2015.