I once made a cherry meringue tart. I made a cherry curd and a pastry base and a meringue topping. Did you not post a recipe recently for an apple crumble sponge cake? I had one recently in Ireland and it was fab. How about an apple charlotte, they are delicious and really easy?
Why not do a simple apple cake ( like pineapple upside down cake - I shove chopped apples in mine. as well). I have done a apple meringue but with a pastry base - I made like an apple sauce and put in a bit of cornflour just to help it go a bit thick. I also put a layer of balckberry jam as did not put any sugar in with apples - It was really yummy.