SPONGE CAKE Sift together flour,bakingpowder,salt . seperate egg yolk and white.beat egg white till peaks are formed.beat yolk and sugar till creamy to this add oil , honey , vanilla essence and mix it well then add dry ingredients and mix well when all mixture is well mixed slowly fold the egg white.if the batter is thick u can add 2 tbsp of milk .pour this batter over the flan mixtue dont mix it jst give a tap to the cake tin and bake at 180xb0c 55 to 60 mins until top layer is set.