Impossible pie is a custard- and coconut-lover's delight, as these are the dominant flavors of the recipe. Vanilla extract enhances the richness of the custard and brings toasty flavors to the coconut ...
Add the vanilla and rum and cook for a further 5 minutes to glaze. Cool and spoon onto the coconut cream pie. Sprinkle over the lime zest and extra coconut to serve.
Combine graham cracker crumbs, coconut, sugar ... juice and combine. Pour the filling into the cooled pie crust. Bake until the filling sets but still jiggles a bit, about 20 minutes.