Step 1

Preheat the oven to 350 degrees F and prep a 8x8-inch baking pan with parchment paper.

Step 2

In a large bowl, combine melted butter, eggs, vanilla extract, and coffee then mix together well.

Step 3

Add the white and brown sugars to the mixture and whisk together well.

Step 4

Sift cocoa powder, flour, and salt into the bowl and mix until just combined

Step 5

Toss in chocolate chips (or chunks) and fold into the batter.

Step 6

Add batter to pan and smooth to the edges. You can add more chocolate chips to the top before baking if desired.

Step 7

Bake for about 30 minutes or until the center is just set. You'll notice the center does not wiggle when the pan is moved.