1.Grease a 20cm springform pan.
2.Cream butter, rind and sugar in small bowl with electric mixer until light and fluffy. Beat in eggs one at a time, beat until combined. Transfer mixture to large bowl, stir in sifted flours and milk. Spread into prepared pan.
3.Peel apples, cut into quarters, remove cores. Make lengthways cuts into rounded sides of apple quarters, cutting about three quarters of the way through. Arrange quarters, rounded side up, around edge of cake. Bake in moderate oven for about 1 hour.
4.Sprinkle gelatine over water, dissolve over hot water, add jam. Spread half jam mixture over hot cake, cool cake in pan. Remove from pan, brush with remaining warmed jam mixture.
Keeping time: 2 days.Note