Line two large baking sheet with parchment paper and set aside.
Add the butterscotch chips and peanut butter to a large microwave-safe bowl and microwave for 30 seconds. Stir then microwave at 15-second intervals, stirring in between each one, until smooth.
11 ounces butterscotch chips, ½ cup creamy peanut butter
Stir in the vanilla extract until combined.
½ teaspoon 100% pure vanilla extract
Add the pretzels and stir until they are fully coated.
5 cups itty bitty mini pretzels
Use a cookie scoop or spoon to portion out 1-2 tablespoon-sized mounds of the mixture onto the prepared baking sheets. The cookies can be close together but make sure they are not touching.
As soon as you place one cookie down, sprinkle with the flake sea salt and repeat.
Maldon flake sea salt for garnish optional
Place the sheet tray into the fridge until set, about 10-15 minutes.