Preheat the oven to 350 and grease and flour a 9x13 inch baking dish.
In a microwavable or glass bowl, melt the butter and stir in the sugar to help it start dissolve. Then stir in 1 cup of the chocolate chips and stir in - they should melt quickly.
Add the eggs, vanilla, flour, cocoa powder, baking powder and salt. Gently stir and fold until the batter is formed. Add the
Next, fold in the instant coffee and shaved chocolate. Pour the batter into the prepared baking dish and then sprinkle on the chocolate chips.
Bake in the preheated oven for 30 to 35 minutes, or until toothpick comes out clean in the center.
Let cool slightly before cutting and serving.