Economical Cake

Description
In Romanian: Chec economic

Ingredients

 * 4 oz/125 g butter,
 * 5 eggs,
 * 8 oz/250 g sugar,
 * 8 oz/250 g flour,
 * vanilla or lemon peel,
 * 1 teaspoon baking powder,
 * butter and flour to grease and dust the pan

Directions

 * 1) Cream the butter with the sugar and the 4 yolks added one by one, add 1 whole egg, vanilla and baking powder.
 * 2) After everything is mixed well, gradually add the flour, then the 4 whipped egg whites.
 * 3) Mix gently. Pour into the buttered and dusted bread pan.
 * 4) Bake at medium heat for about a half hour. Test with a wooden pick.