Preheat oven 180 the C. Lightly grease the cake tin.

Dry ingredients : In a bowl combine. Wheat flour, cocoa powder, baking powder, baking soda, a pinch of salt. Mix...well. Keep aside

Wet ingredients : In another bowl. Combine melted butter and powder sugar. Whisk it till it mixed properly and till the sugar dissolves. Then add eggs and egg yolk, vanilla essence. Mix...it properly. There will be no lumps on it.

Add dry ingredients to the wet ingredients. Mix....till the bubbles comes out. Once it is done. Pour the mixture to the prepare tin. Tap gently and spread evenly.

Keep in a oven and bake for 16 to 18 minutes. Check in between. Once it is done. Cool 15 minutes before unmolding from the pans.

Transfer to a serving plate. Ready to serve whole wheat flour brownies