Duff Goldman knows cake art. Since launching Charm City Cakes in 2002, the “Ace of Cakes” star has sold tens of thousands of fantastical, towering tiers of goodness: President Obama’s 2012 ...

The starting price for a Blanc-Tailleur wedding cake is 7,500 euros, or around $8,100, while simpler celebration cakes are relatively more affordable, beginning at 3,400 euros, or roughly $3,700.