280 gr butter 250 gr sugar 3 eggs 130 gr flour 130 gr potato flour 16 gr rice flour 4 gr vanilla extract
Instructions
Mix the butter and sugar, add the eggs one at a time, and finally the sifted flour and vanilla extract. Bake in a moderate oven about 1 hour, or until golden brown. If baked only 45 min. the cake will be underdone but tastier.