Preheat oven to 350 degrees.

Line 8x11 baking dish with parchment paper sheet.

Cream sugars and eggs.

Melt butter and chips in the microwave for 30 seconds. Stir add back in for 20 seconds if needed.

Add extract. Stir.

Mix chocolate mixture into the egg mixture.

Add flour, expresso powder and salt. Mix well.

Pour into prepared pan.

Bake for 55 minutes.

Cool and sift with powdered sugar.