4ozwhite baking bar or white chocolate baking squares, coarsely chopped
3ozsemisweet chocolate, chopped
Instructions
Lightly grease cookie sheet and set aside
Beat butter with electric mixer on medium speed for 30 seconds
Add sugar, cocoa powder, and baking powder; beat until combined
Beat in eggs
Beat in as much flour as your can using electric mixer. Then beat in the remaining flour with a wooden spoon. Stir in chopped chopped white baking bar and semisweet chocolate.
Shape dough into two 9 inch long rolls and place on prepared cookie sheet.
Flatten each roll slightly
Bake in 375 degree oven for 20 to 25 minutes until toothpick poked into center comes out clean.
Remove from oven and let cool 1 hour
Cut each roll diagonally into 1/2 inch thick slices. Place slices, cut side down on an ungreased cookie sheet. Bake in a 325 degree oven for 8 minutes, the turn them over an bake for 7 to 9 minutes till cookie are dry and crisp (do not overbake)