Step 1
Sift together the flour, cocoa powder and salt. Keep aside.
Step 2
For the double boiler, add some water to a saucepan and place a heatproof bowl over it. Heat on medium flame.
Step 3
Add butter to the bowl and melt completely.
Step 4
Add cream and water to the melted butter and whisk well.
Step 5
Grind the caster sugar and brown sugar together until powdered.
Step 6
Lower the heat and add the powdered sugar to the butter mixture. Whisk until the sugar dissolves.
Step 7
Remove the bowl from the double boiler and add the chopped dark chocolate. Let it sit for a few minutes, then whisk until completely melted.
Step 9
If the mixture is very hot, allow it to cool to room temperature.
Step 10
Add the sifted dry ingredients all at once and gently fold until you get a smooth batter. Do not overmix.
Step 11
Pour into a lined 6-inch baking tin. Bake 22-25 mins @180°c
Step 12
let it cool down add Nutella in piping ba and spread on top of brownie