Beat butter and sugar until light. Beat in egg, egg yolk and extract. Sift flour, salt, and baking powder; gradually add flour mixture to eggs. Chill dough half hour. Press quarter of the dough into a cookie press. Keep remaining dough chilled. Shape cookies onto a greased baking sheet. Bake in 200ºC . oven for 7 to 10 minutes or until done. Cool on wire racks and store in airtight tins. Makes 4 to 6 dozen cookies.