I went here during Cosmopolitan's opening week for lunch. Like many things Cosmopolitan, it's a typical Las Vegas experience, but with a little twist. In this case, some of the foods are served as prepared plates instead of the food sitting in a tray. The decor is beautiful like the rest of the Cosmopolitan. Like most Las Vegas buffets, this buffet is multicultural, which basically means it serves Italian, Japanese, and Chinese food.
Food choices ranged from mediocre to really good. The salad bar was a bit lacking, especially in fruits. There were, unfortunately, no oysters or crab the day I went. The sushi selection is, like at most Las Vegas buffets, very limited, but I was glad they even had sushi there.
They had six different "big meats" to choose from, all of which were forgettable except the roast lamb. Maybe it was because I got the 2nd or 3rd cut of it, but it was some of the best lamb I've ever had at a buffet. It was extremely juicy, cooked well and carried that distinct lamb taste well. Definitely save room for the lamb if you're a fan.
The desserts are quite good. I had a bit of the crepe with bananas foster which is a nice treat I've only otherwise seen in Wynn's buffet. The rest of the dessert section is composed of small tarts and sweets, varied chocolate-dipped apples and strawberries, and a gelato section. The gelato section contains some unique flavors like "peanut butter and jelly," which was delicious. Stay away from the apples.
Service was friendly, but poor. Our waiter sat us down, took our drink orders, and then disappeared. We only had one refill on drinks and had plates stacking up at the center of the table. I remember there being two major spills from the staff, one of which was a tray full of sodas. Once the staff become a little more accustomed to their jobs, things will be really good here.