melt the dark chocolate in microwave or double boiler
now take a mixing bowl put eggs and vanilla essence and beat with beater until ribbon consistently
now take another bowl put sugar and butter together and beat with beater until fluffy and smooth consistency
sieve the white flour in a plate and mix in sugar and butter mix
now put hot melted dark chocolate in it
add eggs mixture also and with cut and fold method mix all ingredients very well
take a baking cake tin put butter paper in it pour the mixture in it
preheat oven on @180 degree
bake brownie for 35 minuets @ 180 degree
of if you want to make in microwave then @180 degree only for 7 minutes
