⅓-1 cup powdered sugar (or more to make a creamy filling consistency!)
¼ tsp salt
Instructions
Mix the marshmallow cream, salt, and ⅓ cup of powdered sugar together with an electric mixer, slowly add more powdered sugar until the filling is creamy.
Spread between two oatmeal cookies. Enjoy!
Recipe by Smashed Peas & Carrots at https://smashedpeasandcarrots.com/oatmeal-creme-pies-gluten-and-dairy-free-recipe/