Preheat the oven to 350° and grease two large baking sheets.
In a mixing bowl, cream together the sugar and butter.
Mix in the coconut milk and pea protein.
Add the almond flour, coconut flour, baking soda, and salt; mix well.
Roll into balls in heaping TBSP portions and arrange on baking sheets; flatten a bit.
Bake for 25-30 minutes, or until golden.
In a small bowl, mix together the butter, sugar, and food coloring.
Frost cookies and top with sprinkles.
Chill to harden frosting.