Preheat the oven to 350°F
Make the browned butter* and set aside in a large bowl to cool.
8 Tbsp. unsalted butter
While the butter cools, whisk together the flour, baking powder, baking soda and salt in a medium size bowl.
1 1/4 cup All Purpose Flour, 1/2 tsp. baking powder, 1/2 tsp. baking soda, 1/2 tsp. sea salt
Once the browned butter has cooled, whisk in the egg, brown sugar, granulated sugar, vanilla extract and milk.
1 large egg, 1/2 cup brown sugar, packed, 1/4 cup granulated sugar, 1 Tbsp. milk, 1 tsp. vanilla extract
Stir dry ingredients into wet and then gently fold in the milk chocolate chips and combine. Grease a 10 inch cast iron skillet with softened butter.
1/2 cup milk chocolate chips, 1 Tbsp. softened butter to grease cast iron
Spread batter into the skillet evenly using a rubber spatula. Top with chocolate chunks. Bake for ~15-17 minutes or until edges are slightly browned. Oven times may vary.
4 oz. semi-sweet chocolate chunks
Cool for a few minutes before digging in, if you can wait! Serve with vanilla bean ice cream.