For my 90th birthday, I want a cake loaded with liquor, frosted with whipped cream and decorated with blueberries, raspberries and blackberries.
So, I'll tell my grandkids to make a white cake in a 13x 9 pan. Poke holes in it and add some rum. Then whip the whipping cream with a bit of rum and decorate with the fruit. I want the fruit to spell out: Grandmere is the coolest!
If she doesn't use alcohol, how about a Lady Baltimore cake or a 3 layer white cake, using lemon curd for the filling, 7 minute frosting and coconut.