Sweetened Cake

Directions

1. 1
   Quickly combine the flour, the yeast, and the milk in a small bowl and let it rise until it has doubled in size, approximately 1 hour.
2. 2
   Dissolve the yeast starter in a bowl with the water, add the egg yolks and blend well.
3. 3
   Add the flour, sugar, salt, and the grated lemon peel, knead together and add the butter.
4. 4
   Knead vigorously for 8 to 10 minutes until the dough no longer sticks to the sides of the bowl. The dough will be soft, it is not necessary to add more flour.
5. 5
   Place the dough in a bowl greased with butter and let it rise for approximately 1 hour.
6. 6
   Place the dough on the work surface and knead it briefly; cut it into 16 pieces and shape the pieces into 16 balls. Dip each ball in the melted butter and place them inside a 26 centimeter cake pan, cover the pan and let the dough rise for approximately 30 minutes.
7. 7
   Bake in a preheated oven at 200C for 30 minutes.
8. 8
   Remove the pan from the oven, let cool slightly and brush them with the icing while warm.
9. 9
   Beat the powdered sugar with the egg whites and the rum in a bowl, the mixture should be thick. Add more powdered sugar if the icing is too thin, if it is too thick, add a few drops of rum.
10. 10
    Let the icing set and serve.