Marble Cake

Ingredients:

• 1 1/2 cups All purpose flour
• 1 1/4 cups sugar (powdered)
• 3/4 cup butter (at room temperature)
• 3/4 cup oil
• 5 Eggs
• 1 tsp Vanilla extract
• 3 tbsp Cocoa Powder (Hershey's)
• 1/2 tsp Baking powder 
• Oil spray

 Method: 

1. Preheat the oven to 350 F. Spray or apply oil on the baking tray.
2. Separate the egg whites from egg yolks.
3. Sift the flour, sugar and baking powder into a bowl.
4. Use a hand beater on low speed to combine the dry ingredients.

5. In another bowl, blend the butter until a smooth.
6. Now add oil, egg whites, and vanilla extract. Mix well with the blender.
7. Now add the flour slowly to the egg mix and blend well without any lumps.
8. Now divide this cake batter into two portions.
9. In one portion add the cocoa powder and mix well.
10. Now put this two mixture in two zip locks.
11. Close the zip and cut the bottom side end of the bags.
12. Now in the centre of the baking tray squeeze the white cake mix to 2" height.
13. Now squeeze the brown chocolate cake mix surrounding it.

14. In the same way make circles in alternate colors.
15. When finished tap the tray so the air escapes.
16. Place in the oven and bake of 30 mins.
17. Check by inserting a knife in middle of the cake.
18. If it comes out clean and clear, then the cake is done.
19. Remove allow to cool, then turn the baking tray over a plate and then cut cake into slices.

20. Will the surprised to see the beautiful colors of the cake.
21. Be creative and design the colors as you wish.
22. Enjoy !! 

Note: 

1. I have used only egg whites here, so that it will have perfect white color when layered with brown chocolate cake.