3 TBLSP. COCOA, 1C.SUGAR, 3 TBLSP. ALL-PURPOSE FLOUR, 1-1/2C. SWEET MILK, 3 EGG YOLKS, 3 TBLSP. BUTTER, 1 TSP. VANILLA, MIX COCOA, SUGAR AND FLOUR IN SAUCEPAN. ADD ENOUGH MILK TO DISSOLVE. ADD EGG YOLKS, AND MIX WELL, ADD REMAINING MILK AND BUTTER. COOK OVER LOW HEAT TILL THICKENS, REMOVE FROM HEAT AND ADD VANILLA. POUR INTO BAKED PIE SHELL. COVER WITH MERINGUE AND BAKE TILL LIGHTLY BROWNED. MERINGUE; BEAT 3 EGG WHITES, TILL STIFF, ADD 6 TBLSP. SUGAR AND 1 TBLSP. CORN STARCH. BEAT TILL DISSOLVED COVER PIE ON ALL SIDES. BAKE TILL BROWN