All You Can Eat
expression, の adjective
When you eat as much as you want, you are getting an all you can eat deal.
たべほうだい
The reading consists of the readings of 食べる and 放題. If you know those you should be able to read this too.
このホテルの朝食は食べ放題です。
This hotel breakfast is all-you-can-eat.
食べ放題のピザ屋に行こう。
Let's go to an all-you-can-eat pizza place.
日本にはケーキ食べ放題のカフェがあります。
In Japan, there are cafes that offer all-you-can-eat cake.