1: In a mixing bowl, combine pumpkin purée, protein powder, egg, Truvia, and baking powder.
2: Mix until well blended.
3: Preheat the oven to 350 degrees.
4: Scoop the mixture onto a baking sheet.
5: Bake for 10 minutes.
6: For the frosting, mix protein powder with cashew milk until desired consistency is reached.
7: Frost the cooled cookies.
