Mix all the ingredients of topping and keep aside.
Add the wet mix to the dry mix and whisk together to form a smooth batter. Pour this into an appropriate baking dish,Use square baking pan.Sprinkle the topping mix on the batter.
Bake in a preheated oven at 350F for 25-30 minutes or more until the the tester comes out clean.
Start checking from 22 minutes onwards though,the topping may start browning.Mine was ready in 25 minutes itself ,so make sure the cake does not burn.
Cool completely and serve by cutting into squares.
