Preheat the oven to 350 degrees Fahrenheit
Line the baking tray with parchment paper and grease it with cooking spray
In a microwave-safe container add chocolate chips, hot water, oil, and coffee decoction; mix well Or Microwave until the chocolate melts
Sieve and add all-purpose flour, baking soda, baking powder, and cocoa powder in batches; mix gently
add the chocolate mixtures and mix gently to make a lump-free smooth batter
Divide the batter between two cake tins, level, and tap the batter
Bake for 25 – 30 minutes or until a toothpick inserted comes out clean
Cool the cake for 10 mins
Invert and unmold the cake
Allow the cake to cool completely