Sieve the flour,Baking soda and baking powder in a bowl.

On another bowl mix the sugar and margarine and whisk on a medium speed for 5minutes.break the eggs and pour in whisk on a low speed.pour in the sieved flour,Baking powder and baking soda.

On a high speed whisk till is fluffy,divide it into 2 add the strawberry flavour in one bowl.

Preheat oven and grease the pan.

Pour in the red velvet barter in the pan,Pour in the plain one in the pan and use a spoon to twice then place in the preheated oven for 40minutes.