How big of a cake to feed 25 people?

25 Totally Ingenious Tips And Tricks To Make Your Wedding Planning Easier

Round Wedding Cake serving size guide (I'm just pinning this for the cake guide. The rest doesn't interest me.

The most important thing to remember when you Stack a multi-tiered cake is to support it properly to prevent the risk of the tiers collapsing into each other.

Here is kinda what I was saying one long center dowel then the support dowels on each layer.