Wicked Spoon at the Cosmopolitan tops the list of the best Las Vegas buffets. Wicked Spoon offers all the more popular cuisines of the word: Chinese, French, Italian Japanese and many others. The buffet offers a great selection of desserts, especially chocolates. Bottomless Beverages are $15 (valid 2 hours from time of purchase). Wicked Spoon Buffet offers Happy Hour from 3pm to 5pm when you can get beers or cocktails at the price of $5. Brunch available Monday – Thursday 8 am to 5 pm and Friday – Sunday 8 am to 3 pm.