Zebra cake

Ingredients
Eggs-4 large
granulated sugar-1 cup(very fine- normal sugar)
milk-1 cup( at room temperature)
oil-1 cup
all purpose flour-2 cups
1/3 tsp vanilla powder
baking powder-1 tbsp
dark coco powder-2 tbsp (make sure it is not very bitter)
1- In a large mixing bowl combine eggs and sugar.Using an electric mixer
beat (on high speed )until the mixture is creamy and light in color.

2-Add milk n oil ,and continue beating until well blended.

3-In a separate bowl combine and mix flour,baking powder n vanilla powder.Gradually add the flour mixture to the wet ingredients and beat on very low speed just until the batter is smooth and dry ingredients are tthoroughly incorporated.(do not over beat to prevent air pockets from forming in the batter)

4-Divide the mixture in to two equal portions,Keep one portion plain.Add coco powder into another, and mix well.
5-pre- heat the oven to 350F (180 C)

6- Grease the baking pan with butter n dust with flour.

7-The most important part is assembling the cake batter in a baking pan.Scoop three table spoon of plain batter(U can also use a ladle that would hold three table spoons) in to the middle of the baking pan.
Then scoop three table spoon cocoa batter and pour it in the center on top the plain batter.
(Do not stop and wait until the previous batter spreads.
Do not spread the batter or tilt the pan to distribute the mixture.It will spread itself and fill the pan gradually).continue alternating the batters until u finish them.

8- Bake in the oven for about 40 minuts or until a tooth pick inserted into the center comes out clean