Sneaky ways restaurants use menus to entice you to spend more

While you may not know what you're going to order before you sit down at a restaurant, chances are the items you end up choosing aren't entirely up to your inner cravings.

Whether it's a fast-food joint or high-end steakhouse, restaurants of all ilks employ various tricks of the trade to get you to buy more and spend more. But savvy diners don't have to blindly fall victim to these tactics. They just need to know what to watch out for before opening the menu.

"There is very much an art to the whole practice," said Gordon Drysdale, who is part of an ownership group that operates Pizza Antica restaurants in the San Francisco Bay Area.