i got asked to make a high heel cake for a girl whose favorite flavor is better than sex..the only way i know to do that flavor is by layering it with the condensed milk and heath and all that mess..does anyone have any ideas how i might be able to do this and still make it with a pretty outside so i can put her a high heel with bling?? or even a recipe that comes close to bts cake

Could you not soak in SCM then carefully stack cake layers ; filled with Cool Whip/Heath bits but frosted with a more decorator friendly icing so you can use your high heel topper.

The whipped cream buttercream frosting is light and (crusts minimally):

http://cakecentral.com/recipes/2019/whipped-cream-buttercream-frosting

HTH