This was our first time at a Smashburger so we are not certain if all locations operate the same way, but this was not a good experience. First, the cashier/order taker was very helpful navigating the menu and was efficient. Next, when the food finally appeared, it was good. The problem is staffing and cleanliness. No one removed order numbers, cleaned the tables or bothered to empty the clearly overflowing garbage can or removes used glasses and dishes. We were there about 45 - 60 minutes and never saw anyone take action. Lastly, it appears Smashburger is under-staffing and we won't likely return as organization and cleanliness are key to us.