"Pretzel mixture" refers to a combination or blend of different ingredients used to make or flavor pretzels, a type of baked snack food. Full definition
Pour pretzel mixture into an 8 inch springform pan and press down firmly (I used a flat bottomed ramekin to press to bottom and against sides) along the bottom and up about 1 inch on sides. (mywifecancook.com)
In a separate bowl, beat together the cream cheese, peanut butter, salt, sugar and pretzel mixture until smooth. (foodiefun.net)