Mmmm! 1 scoop brownie batter,1 scoop cookie dough in a muffin tin. Mix according to directions on each and bake according to directions on box. Don't over bake as brownie will become hard. You could also add mini peanut butter cup or Rollo between layers.
Grain-free Peanut Butter Chocolate Chip Cookie Dough Bites (gluten-free with vegan and dairy-free options)