Best Coconut Flour Brownies and Peanut Butter Frosting

INGREDIENTSBrownies1 cup coconut sugar1/2 cup cocoa powder1/2 cup coconut flour1/3 cup coconut oil melted1/4 cup coconut milk6 large eggs2 tablespoons paleo protein powder I used Primal Kitchen's chocolate collagen fuel1 teaspoon baking soda1/4 teaspoon sea saltPeanut Butter Frosting1/2 cup peanut butter or almond butter for paleo6 tablespoons palm oil shortening3 tablespoons maple