All purpose flour (maida) - 1 1/2 cup (195 gms)
Sugar - 1 cup (200 gms)
Cocoa powder - 1/4 cup (25 gms)
Baking soda -3/4 tsp
Baking powder -1 tsp
Salt -1/4 tsp
Unsalted Butter melted - 1/3 cup (75 gms)
Warm water - 1 cup
Lemon juice or vinegar - 1 tbsp
Vanilla essence - 1 tsp
1.Preheat the oven.(177 degrees C).Grease and dust the 8 inch square cake pan or line it with parchment paper.
2.Sieve flour (maida), baking powder, baking soda, salt and cocoa powder twice. (dry ingredients). Keep it aside.
3.Add melted butter, warm water, lemon juice, sugar and vanilla essence in a bowl. Mix till sugar dissolves.Add the wet ingredients (butter + warm water + lemon juice, + sugar + vanilla essence) with the dry ingredients (ie flour + baking pwd + cocoa pwd + salt + baking soda) and mix both until well combined.
4.Pour the batter into a greased baking tray and bake for 30 minutes or until a toothpick inserted in the center of the cake comes out clean.(bake at 180 degrees C).Serve it on its own or dust powdered sugar or enjoy it with a scoop of ice cream.