Sponge Cake with Plums

Cake which is very easy and the best is a mega fast. 
  * Ingredients:
 - 3 cups flour
  - 1 cup sugar
  - 5 eggs
  - 3 teaspoons baking powder
  - vanilla sugar
  - ½ cube of margarine
  - 8 tablespoons milk
  - 1 kg plums

* PREPARATION: Melt margarine and cool. Whip the eggs gradually adding sugar and vanilla sugar. Then pour the beaten egg, slowly cold margarine and mix until smooth. Mix flour with baking powder and add gradually to the masses, stirring with a wooden spoon. At the end, add 8 tablespoons milk stirring constantly. Ready to brytfankę pour batter and put plums. Bake approx. For 40 min at a temperature of 160 degrees.