Preheat the oven to 350. Line an 8x8 pan with parchment paper to make it easier to remove the brownies when they're finished.
In a medium mixing bowl, stir together the flour, cocoa powder, and salt.
In a larger mixing bowl, stir together the melted butter, sugar, and vanilla. Add the eggs one at a time and stir until just incorporated.
The next step is important! Well really, all the steps are important, but make sure you are careful on this one. Add the dry ingredients to the wet and stir only until the flour is worked in. Don't overmix!
Carefully and gently, fold in 3/4 cup of chocolate chips.
Pour the batter into the 8x8 pan and sprinkle the last 1/4 cup of chocolate chips on top.
Bake at 350 for 15-20 minutes. A toothpick poked into the CENTER should come out WET, but a toothpick along the edge should be dry.