Melt the butter in a microwave safe bowl in 30-second increments until fully melted.
Pour melted butter into a large bowl, then add in the brown sugar and sugar. Mix together.
Crack in the eggs and add the vanilla. Stir together.
Add flour, cocoa powder, and salt.
Once the dry ingredients are almost mixed in, add the chocolate chips.
Pour the batter into a parchment paper lined pan and bake for about 45-55 minutes.
Serve while they're still slightly warm and enjoy!
Notes
To make this a true Triple Chocolate Brownie, I added half a cup of milk chocolate chips and half a cup of dark chocolate chips. You can choose which kind of chocolate to add or just stick to one kind!