Prepare a 9x9 baking pan with parchment paper and set aside.
In a saucepan, brown the butter by melting it on medium heat. Stir every couple of minutes until the melted butter begins to create brown bits at the bottom of the pan and gives off a nutty scent.
Pour into a large mixing bowl and let cool for a couple of minutes.
Add the brown sugar and whisk together.
Add the vanilla and the eggs. Whisk again.
Add the flour, cinnamon, and salt. Use a spoon or rubber spatula to fold in the dry ingredients creating a thick cookie batter similar to a brownie batter.
Use a spoon or rubber spatula to fold in the dry ingredients creating a thick cookie batter similar to a brownie batter.
Set aside a few tablespoons of the chopped pecans and chocolate for the topping.
Add the remaining chocolate and pecans to the batter and fold until combined.
Pour the batter into the prepared baking dish.
Sprinkle with the extra pecans and chocolate.
Bake in the oven for 20-25 minutes or until a toothpick inserted comes out clean.
Sprinkle the coarse sea salt on the top when you take the bars out of the oven.
Let cool for about 30 minutes before cutting.
Notes
Storing these brownies is easy. If you do have leftovers, then place them in an airtight container or individually wrap them in plastic or saran wrap. You can store them at room temperature for 2 days, or they will last up to five days in the refrigerator. You can also freeze them. Wrap them individually in plastic wrap or freeze them on a tray and then add them to a freezer ziplock bag for easy storage. They will last for 2 months in the freezer. Just pull one out to thaw and you can enjoy a delicious brownie in just a few hours.