In medium bowl, blend together peanut butter, sweetener, salt, and egg until well combined.
Stir in chocolate chips.
Drop cookie dough into 12 pieces about 1 tablespoon each onto lined or unlined cookie sheet. Press to flatten each dough ball into a circle.
Bake 10 to 12 minutes or until lightly browned. Cool on cookie sheet for a few minutes then transfer to wire rack to cool completely.
Commercially prepared keto-friendly chocolate chips can be used, but I find that my homemade chocolate chips hold together better than some store-bought low-carb chips.The chocolate chips can be replaced with chopped peanuts or a couple tablespoons of nuts can be added to the batter.