Preheat oven to 350 degrees F, line 2 baking sheets with parchment.
In a the bowl of your mixer, blend together the peanut butter, sugars, eggs, baking soda, and salt, until smooth.
Add in the broken pretzels and toffee bar pieces and fold into the mixture.
Shape the dough into balls (about 1 heaping tablespoon each) and place 2 inches apart on your parchment lined baking sheets.
Using the tines of a fork, flatten each dough ball, by making crisscross patterns on the cookie (it was really hard with the pretzels and toffee in the dough, but do the best you can).
Bake 10-12 minutes (rotating trays half way through) until puffed and golden.
Allow to cool slightly on the rack and then transfer to wire racks to cool completely.