For the dough
9 separated eggs
1 1/2 cups of sugar
2 cups of potato starch
1/2 cup of wheat flour
1/2 teaspoon of cream tartar
1/2 teaspoon of baking soda
For the filling
1 cup of cooked condensed milk
For wrapping the cakes
1 1/2 cups of confectioner's sugar
For the dough
9 separated eggs
1 1/2 cups of sugar
2 cups of potato starch
1/2 cup of wheat flour
1/2 teaspoon of cream tartar
1/2 teaspoon of baking soda
For the filling
1 cup of cooked condensed milk
For wrapping the cakes
1 1/2 cups of confectioner's sugar
Beat the egg whites until fluffy
Add the yolks, one at a time, while continuously beating
Gradually add the sugar to the egg mixture and beat until light and airy
Sift the remaining dry ingredients from the dough
Add them gradually to the egg mixture and mix well
Mix carefully
Place the mixture in a piping bag
Spread the dough into circles of 6 cm in diameter and 0.5 cm thick, on greased and floured baking sheets
Bake in a moderate oven (180°C) preheated for about 6 minutes, or until lightly browned
Remove from the baking sheet with the help of a spatula
Let cool
Assemble the cakes, two by two, filling with 1 tablespoon of dulce de leite
Dust with confectioner's sugar and make about 70 cookies.