Preheat the fan assisted oven to 350 F, gas mark 4. Line a 9” Baking pan with a parchment paper, extending it all the way up.
This will help us to pull the paper out of the pan once the brownie cools down.
Prepare a double boiler, by placing a small sauce pan/ bowl over a pan of hot water. Fill the bottom pan with 1” of water and allow it to boil. Reduce to simmer.
Break the chocolate pieces into small equal pieces and add them along with the butter to the small sauce pan that sits on the pan of water.
Stir them until they melt. This process will only take a couple of minutes.
If you are looking to understand how to handle chocolates, read my post on Homemade
Chocolates
Whisk the egg, one at a time, followed by sugar and vanilla essence.
Stir in the flour with a wooden spoon, mixing the batter well.
Spread the batter into the prepared pan and bake it for 25-30 Minutes.
My brownie came out batter-clean, when I inserted the skewer at 25 minutes.
Allow them to cool down. Cut the brownie bake into size that suits you. I got 25 bite sized brownie pieces .