SonicChili & Melted Cheese on pile of FritosChiliCheeseFriesAsk the staff to put some hot chili and cheese on a heaping pile of Fritos.All Locations5 - Medium-HighVaries by Locationhttp://hackthemenu.com/sonic/secret-menu/frito-pie/The Frito Pie from the Sonic "secret menu" is quite popular in the South. But what is this "Frito Pie" exactly? It's a heaping pile of Fritos smothered in chili and nacho cheese. In other words, it's sinfully delicious and available at a Sonic near you. Don't be afraid of this Frito pie, it's too good to pass up. And, you know what goes really good with a Frito Pie? - a Dr. Pepper Orgasm. Sonic Drive-in has some of the most interesting secret menu items, but you may want to check out the Jamba Juice Secret Menu, the Starbucks Secret Menu, and the McDonald's Secret Menu. Give these other guys a good look, you may not have heard of some of these hidden menu items that have been right in front of you all along! Be sure to check out the Sonic Secret Menu as well as visiting our home page to check out the complete list of All the Secret Menus from all your favorite restaurants!