HI I HAVE BAKED 7 LEMON DRISSLE CAKES AND EVERYONE HAS SUNK IS THERE A REASON WHY. DOES ANYONE NO A SINK FREE RECIEPE .I USE FRESH LEMONS IN THE MIX NO BAKEING POWDER. CASTOR SUGAR .BUTTER.SR FLOUR .LEMON ZEST 2 EGGS AND A DASH OF MILK I BAKE IN A GAS OVEN MARK 4.PLEASE HELP CHEERS SIAN