IN A MIXING BOWL COMBINE2C.PLAIN FLOUR,2C.SUGAR,1/2TSP.SALT,IN A SAUCEPAN,BRING TO BOIL 1C.WATER,1/2C.OIL,1STICK BUTTER,3TBLSP.COCOA.POUR INTO BOWL WITH DRY INGREDIENTS AND ADD 2 EGGS,1/2C.BUTTERMILK,1TSP.SODA,1 TSP.VANILLA.POUR INTO LARGE PAN (9X15)AND BAKE 30 MINUTES(OR LESS) AT 350 OVEN. FROSTING; WHILE CAKE IS BAKING USING SAME SAUCEPAN MELT;1 STICK BUTTER,4 TBLSP.COCOA,6 TBLSP.MILK,1 TSP.VANILLA.REMOVE FROM HEAT AND ADD 1 BOX POWDERED SUGAR(2C.) AND 1C.CHOPPED NUTS.POUR OVER CAKE WHILE ITS HOT.