Preheat to 350º F

Grease 13x9 inch cake pan with butter.

Whisk together cocoa powder, instant coffee and boiling water in a large bowl until smooth.

Add the dark chocolate and butter whisking until chocolate and butter are melted .

Add oil, vanilla and eggs. Continue to whisk until smooth.

Whisk in sugar until fully combined.

Using a spatula stir in flour and salt mixing until combined. Don’t over mix.

Pour batter into prepared pan and bake 30 to 35 minutes.

Brownies are done when toothpick inserted halfway come out with just a few crumbs sticking to toothpick.

Cool on wire rack for 1 hour before removing from pan.