10 'Off-the-Menu' Items to Order on National Fast-Food Day

— -- intro: In honor of National Fast-Food Day Sunday, many will likely flock to their favorite chains for a fix. But be aware: Some of the most delicious grub isn't listed on the drive-thru boards.

Foursquare recently gathered up the best off-the-menu recommendations from users and is now sharing the list with the rest of the Internet. Read on to learn which “secret” items to try on your next visit.

quicklist: 1title: In-N-Outtext: At this popular West Coast chain, there is an array of off-menu meal items to consider: “They'll substitute a veggie burger if you ask! Great for vegetarians who want to eat fast food!” said Jessica from Tempe, Ariz. “Ask for your burger Animal Style. Not on the menu, but the only way to go,” said Nick of Draper, Utah. “Get the "grilled cheese" off the secret menu,” suggested Andy of Marina Del Ray, California.media: 26925444

quicklist: 2title: M Burgertext: For a rare treat at this Chicago institution, try “Doctor Betty!" recommended Samantha of the Ontario Street location. The Doctor Betty is a "beef burger with avocado, tomato, and pepper jack cheese. Love love love this place.” Or, if that doesn't float your fast-food boat, “try the cheese fries with jalapeños on the secret menu. You won't regret it,” said Mikinzie at Michigan Avenue.media: 26925939

quicklist: 3title: Torchy's Tacostext: At Texas locations of Torchy's Tacos, patrons have a few options for off-menu fare: the “Ace of Spades," featuring sausage, brisket, cheese, queso, diablo sauce, sour cream and a fried egg, the "Matador and the "Hillbilly." media: 26925990

quicklist: 4title: Umami Burgertext: Umami lovers in Illinois, California, Nevada and New York, here are your tips: “Must order their cheesy tots and truffle fries from their secret menu. Shhhh!” according to Betty in San Francisco, and the “Spicy Bird (turkey burger)," according to Rameen in Los Angeles.media: 26924829

quicklist: 5title: Jamba Juice text: Looking for liquid sustenance? Here's what to whisper at one of the 800 Jamba Juice locations across the country. “Try something from the secret menu! The Pink Star is my favorite. It tastes like a pink starburst. Ingredients: lemonade + soymilk + raspberry sherbet + frozen yogurt + sorbet + fresh strawberries,” said April in Tempe, Ariz. “Order a Citrus Squeeze. It's from the secret menu, but it's their best smoothie!” said Dani of Minneapolis, Minn. “Ask for the white gummy bear (off the secret menu). So good,” said Alex in New York City.media: 26925394

quicklist: 6title: Foosackley'stext: “Its’ not on the menu, but try a Buf-foo-lo Chicken Sandwich. Its chicken dipped in buffalo sauce, topped with ranch on a bun. Delicious!” recommended Foursquare user Whitney of this Alabama chain. “For a Vegetarian option, or just a tasty alternative, try the Grilled Cheese! It's not on the menu, but it is worth ordering!!! And to spice it up, try dipping it in ranch! Mmmmm!!!” wrote Brandon.media:

quicklist: 7title: Papalote Mexican Grilltext: The "Super Adobo chicken burrito" is a "must-try" at this San Francisco favorite.media:

quicklist: 8title: Yesterdogtext: In Grand Rapids, Michigan, there are more hot dogs available than meet the eye. “Ask for the "German Shepard dog" it's not on the menu [at Yesterdog]," Foursquare user Alex said. "You won't be disappointed.” Another user recommends asking for the "Killer dog."media: 26925889

quicklist: 9title: Panera Breadtext: Health-conscious types will be pleased to hear that the secret menu at Panera Bread offers low-cal options. “Hidden menu!!" wrote Dee of Dallas, Tex. "Steak and Egg protein bowl ... add onions and cheese...good stuff!!!”media: 26925127

quicklist: 10title: Mellow Mushroomtext: At this Southeastern pizza chain, at least two pies are listed off the menu. "Ask for the Maui Wowie pizza: pesto sauce, mozzarella, banana peppers, pineapple, jerk chicken, ham, & bacon. Heaven!” said Jim of Washington, D.C., while Foursquare user Johanna suggested a “chicken Caesar pizza. It's not on the menu, but they'll still make it and it's awesome!”media: 26924065