Easy cake

http://clickserve.cc-dt.com/link/click?lid=41000000030254729

 
Ingredients:
3 eggs
1 cup sugar
1+1/2 cup flour
4 tbsp melted butter
1 cup sour cream
10g baking soda
2 tbsp cocoa

First, we need to mix well eggs with mixer. Then add sugar and mix it. After that add remaining listed ingredients except cocoa and mix. Next, divide your mixture into two separate bowls and add one of them cocoa and mix. Then grease with oil inside the cake baker and pour cocoa mixture ,then plain mixture and bake it on 350F about 30-35 minutes.