Pre heat the oven: Pre-heat the oven @180 degrees Celsius.
Prepare the Batter: In a bowl, mix together Flour, baking soda, cocoa powder, dark and white chocolate chips, Salt and dark brown sugar. In another bowl, beat the eggs well with a fork or wire Wisk. Add vanilla essence, lemon juice, and melted butter and beat till well blended. Pour the egg mixture into the flour mixture and mix with a spatula. Mix with a light hand till well incorporated.
Pour into Baking Tray: pour the batter into a pre-lined tray with butter paper and spread the batter with a spatula evenly.
Baking the brownies: bake the brownies @180 degree Celsius for about 30 minutes or till a skewer inserted comes out clean.
Cooling the Brownies: Let the brownies cool down completely on a wire rack. Once they are completely at room temperature, cut them with a sharp knife and serve.
How to serve: Heat the brownies square in a microwave or pan, take out on a serving dish and pour hot chocolate sauce. Place one or two scoops of chilled vanilla ice cream and serve.
Recipe Notes
Note: The brownies can be made up to 5 days ahead and kept in the refrigerator or frozen upto a month in an air tight container.