– Preheat oven, then line baking sheets with parchment paper. – Combine peanut butter, dark brown sugar, sugar, and baking soda in the bowl of a stand mixer fitted with paddle attachment. Mix on medium until well incorporated.
– Add egg, vanilla, and salt, then beat well. – Scoop out dough into equal portions with a small cookie scoop, placing dough. Roll dough into rounds, then use fork tines to create a criss cross pattern on each. Bake. Cool completely.
– Place chocolate wafers in a microwave safe bowl and microwave on high, then stir with a spatula. Continue heating chocolate, stirring until completely melted. – Dip each cooled cookie into melted chocolate, then immediately add sprinkles before chocolate cools.