Mrs. Field's Black And Whites

Ingredients

280 gr all purpose flour
45 gr unsweetened cocoa powder
2 gr baking soda
1 gr salt
220 gr dark brown sugar
150 gr sugar
130 gr butter
3 eggs
9 gr pure vanilla extract
150 gr semisweet chocolate bar
160 gr chocolate bar
2 apar bake

Instructions

a little longer. ----