Add melted butter and 1 cup dark chocolate chips to a bowl. Stir until creamy and fully melted. If needed, microwave for 10 to 15 seconds. Set aside.

In a mixing bowl, add eggs and sugar. Whisk vigorously for 2 to 3 minutes, until light and frothy.

Add the melted chocolate mixture to the mixing bowl. Stir to combine.

Then, add in dark cocoa powder, vanilla, and flour. Stir to combine.

Fold in the chocolate chips.

Pour batter into the 8 inch skillet. Smooth out into one even layer.

Then, make the cookie dough. In a mixing bowl, combine the melted butter and coconut sugar. Stir together.

Then, add in the egg and stir.

Fold in the gluten free flour, baking soda, and sea salt. Stir to combine.

Fold in the dark chocolate chips.

Scoop balls of dough, placing them in the brownie batter. Gently press down on each cookie dough ball.

Then, bake for 33 to 36 minutes, or until a toothpick inserted comes out with only a few moist crumbs.

Finally, remove from the oven. Dig in!