....melt butter with chocolate in microwave, mix well... Beat eggs, sugar n essence till fluffy n sugar melted add sifted flour with cocoa n baking powder mix well add in butter mixture n fold in well... Pour on greased tray n bake in oven on 170 C till done... Let it cool, cut any shape you desire... Strawberry Swirl: ....beat whip cream just before it forms peaks add icing sugar n essence n beat till peaks formed... Fold in chopped strawberries n top up the brownie