In a stand mixer, cream butter with sugars. Add vanilla and egg.
Incorporate and scrape bowl.
Combine salt, baking soda, and flour. Gradually add to wet
mixture. Mix until combined.
Fold in broken pretzels, caramel bits, and chocolate chips with a
Spoon onto a baking sheet with parchment paper.
Bake at 350 degrees Fahrenheit for 11-12 minutes.