Sieve all purpose flour / maida and baking powder together.

Take a mixing bowl add butter and sugar and mix until creamy and fluffy.

Beat the egg and add it.

Add all purpose flour/ maida and baking powder and mix well.

Add grated lemon zest in it.

Add lemon juice and mix well.

Preheat oven to 150 degree c.

Grease and dust with flour a 9 inch round baking cake pans.

Pour the batter into dish.

Bake for 20 mins. in the preheat oven.
Now

Now the lemon cake is ready.

Check by inserting a knife, if it comes out clear it done..