Preheat oven to 350˚F. Butter a 9x9 pan and line with parchment paper.

In a medium saucepan over low heat, Melt together 2 cups chocolate chips and butter while whisking then set aside to cool 15 minutes.

In a second large bowl, whisk together 4 eggs, 1 1/4 cups granulated sugar and coffee granules, 3 Tbsp oil and 1 Tbsp vanilla extract.

Stir cooled chocolate mixture into the egg mixture.

In a medium bowl, whisk together 2/3 cup flour, 1/2 cup cocoa, 1 1/2 tsp baking powder and 1/4 tsp salt then use a spatula to fold mixture into the batter and fold just until combined. Do not over mix.

Transfer batter to prepared pan and sprinkle all over with remaining 1/2 cup chocolate chips. Bake at 350 for 35-40 min depending on the desired doneness.* Cool until nearly at room temperature then cut into bars before serving.