Postrio should get the award for the messiest burger on the Strip. Good, but messy! \n\nAs you can tell, I ordered the burger (Grilled Black Angus Burger, Vermont Cheddar Cheese, Onion Marmalade, Fries) for lunch. It was quite good, well-cooked to medium, and messy as all heck thanks to the onion marmalade. I was just happy I wasn't on a first date trying to eat the thing! Dripping onion marmalade everywhere - all over the plate, down my fingers and hand, you get the idea.\n\nThe fries were yummy, too.