In a mixing bowl, cream together the peanut butter and softened butter until smooth.
¾ cup creamy peanut butter, ½ cup unsalted butter
Add the salt then gradually add the powdered sugar, mixing well after each addition, until fully incorporated.
1 & ½ cup powdered sugar, ¼ teaspon salt
Add the vanilla extract and 1 tablespoon of milk or cream. Mix until smooth. If the frosting is still too thick add the second tablespoon of milk of cream and mix again.
2 tablespoons milk or cream, 1 teaspoon vanilla extract
If the icing is still too thick according to your preference, add more milk or cream, 1 teaspoon at a time, until you reach your desired consistency.
Use the icing to frost cupcakes, cakes, or cookies. Enjoy!