Sift first four ingredients together and knead in butter and brown sugar.
Add almond extract.
Divide the dough in half and press out very thinly on 2 ungreased 15 x 10-inch cooky sheets.
Beat egg and add water.
Brush over dough.
Sprinkle with almonds and white sugar.
Bake at 350F for 15 to 17 minutes.
Cool for 2 minutes, then cut into,4x2-inch rectangles.