I don't see crumble as part of lemon meringue pie.
Also, the cream quenelle, what does that represent? -Meringue does not contain cream, it's just egg white and sugar. The curd is also cream-free. (although it does contain a small amount of butter)
I see the following components in the pie slice: crust (with vanilla flavor), custard (with lemon juice flavor), and meringue (sometimes has vanilla). Fire would be a potential extra.
The beauty of lemon meringue pie, to me, is in the eggs. The genius here is the balance of using egg yolks for the curd and whites for the meringue. Essentially, I would look at some sort of sweetened egg yolk preparation (plain, very yolk-y sabayon?) and some egg white foam. Then, you have lemon supremes. And, maybe, some shards of glass-like hard candy made with vanilla extract.
I might add meringues, the cookie, to represent the topping, maybe.
I would add a shortbread cookie to represent the crust. I can't imagine deconstructing this further, as you just get butter, flour, and sugar.
