Ingredients :

1/4 cup plus 3 Tbsp. butter
1/4 cup plus 3 Tbsp. sugar
1 x egg, beaten
3/4 cup plus 2 Tbsp. flour
1 can condensed milk

Method :

* Cream together butter and sugar; add egg and flour and mix well. Drop by scant teaspoonfuls onto cookie sheet.Pat with a floured finger into very thin little circles (quarter to half dollar size). Bake at 325 degrees for 10-12 minutes, until just starting to brown around edges.
* Sandwich two cookies together with cooked condensed milk.To cook condensed milk, place entire, unopened can in a large saucepan, cover with water.Bring to boil and simmer about 2 hours. This turns it into caramel.