Not TNT but you may want to consider, adding nutmeg, and/or lemon juice/zest. I'vee never tried it, but I have heard of adding pecans. Then a big dollop of Kool Whip on top of a slice can be a nice addition.
There is only one Quality worse than Hardness of Heart, and that is Softness of Head.
Kool-Aid...Think Before You Drink