Alfajores de maicena

Sofia (Maria’s daughter) shared this recipe when we visited in Magnolia Hotel in May, 2010.  The cookies are made from cornstarch, not flour. 

150 gr Butter
150 gr powdered sugar
3 egg yolks
500 gr  maicena (cornstarch)
10 gr baking powder
Vanilla
Dulce de leche repostero
Shredded coconut

Mix butter and sugar in processor for 5 minutes until smooth
Add 3 egg yolks, one at a time, and process
Add baking powder; process
Add vanilla; process
Wrap in plastic and allow to chill in refrigerator
Roll out and cut into circles with a shot glass
Bake at 180 deg. C for 10-12 minutes
Smear with dulce de leche
Coat edges with coconut