Cookout has no official secret menu — but that doesn't mean it doesn't exist. Regulars across the Southeast have been quietly ordering off-menu creations for years, built from the same fresh ingredients the kitchen uses every day. Below are the items that separate Cookout fans from Cookout superfans — including the legendary Quesadilla Burger, the Firecracker Hot Dog, and 7 milkshake blends regulars swear by.
The "Cookout secret menu" is a loose tradition rather than an official menu document. No internal Cookout list catalogs these items. They aren't on the menu board. The line cooks weren't trained on them as part of corporate training. What exists is a body of off-menu orders that regulars have been requesting for years — built from the same fresh, never-frozen ingredients the kitchen uses for every regular menu item, just rearranged in ways the chain doesn't advertise.
Most kitchens at most locations accommodate these orders without question. A few will decline based on local manager policy or ingredient availability. None of them are worth being rude about — if a location says no, just try a different store next time.
The page below documents the 15 most universally-ordered Cookout secret menu items, including the burgers, hot dogs, fries hacks, and milkshake blends regulars swear by. Each item includes how to order it, the rough build, and why it works. Save this page for your next late-night Cookout run.
Secret burgers are the most popular category of off-menu orders. The kitchen is already char-grilling fresh patties to order, and the chain stocks an unusually wide range of toppings — so creative builds are a natural extension of the regular menu.
A char-grilled burger patty inside a quesadilla instead of on a bun. The crunch-to-meat ratio is almost insulting it's so good.
A Big Double Burger with creamy peanut butter and bacon strips. Sounds wrong, tastes like the PB cuts through the fat of the beef in the best possible way.
The burger version of the Firecracker Hot Dog. Spice-loaded, messy, absolutely worth the ask. A regular burger reimagined as a Tex-Mex bomb.
Pro tip: When ordering a Quesadilla Burger, ask for grilled onions and jalapeños on top. The combination of the crispy quesadilla shell, the char-grilled patty, and the grilled onions is what made this item a regional cult favorite.
The Firecracker Hot Dog is the original Cookout secret menu item. Regulars across the Carolinas have been ordering it for over a decade — long before "secret menu" was a mainstream concept. The Mexi Dog Loaded version is the newer, TikTok-driven entry.
The most iconic Cookout secret menu item. Spice-loaded, messy, and absolutely worth the ask. Regulars across the Carolinas have been ordering this for years.
A Tex-Mex fusion that went viral on TikTok in 2024. Messy, bold, and dangerously good.
Side hacks at Cookout are simpler than the burger hacks but no less rewarding. Most involve adding existing toppings to existing sides in unadvertised combinations.
Regular fries taken to another level. Simple upgrade, massive payoff. The thinking person's cheese fries.
Simple, satisfying, and available at most locations if you just ask. Customizable with tomato, bacon, or a burger patty inside.
The on-menu Walking Taco is chili and cheese in a Frito bag. The loaded version adds sour cream, jalapeños, and shredded lettuce — closer to a real Tex-Mex walking taco.
The single best-kept secret on the entire Cookout menu: any two milkshake flavors can be blended together at no extra charge. This isn't advertised on the menu board, but every location accommodates it. The kitchen combines the two flavors during the spinning process, so you get a single integrated shake rather than a layered or swirled one.
Cookout offers 39 milkshake flavors standard. Two-flavor combinations multiply that to over 600 possible blends. Below are the seven most-requested across the chain. All are $$3.99 (the standalone milkshake price) or +$1.00 as a Tray drink upgrade.
Thick, rich, the most popular blend across the chain. Tastes like a dessert your grandmother would make.
Cookies and cream meets mint chocolate chip. Refreshing balance to the sweetness.
The "double indulgence" version of the most popular blend. Heavier, richer.
Tastes like a frozen cheesecake brownie. Underrated.
Liquid strawberry cheesecake. Lighter than most blends, fruity-creamy.
For when you want maximum chocolate intensity with caramel depth. Candy bar in a cup.
Classic Black Forest cake flavor profile. Slightly tart cherry against rich chocolate.
Insider note: Some longtime customers request three flavors blended ("Triple"). This sometimes works depending on the location and the kitchen's flow, but two is the universally-honored maximum. Three flavors mute each other anyway — stick to two.
Ordering off-menu requires slightly more finesse than ordering off the regular menu. The line cooks aren't expecting these orders, the cashiers don't have buttons for them, and a few items require ingredients not stocked at every location. Three rules make the process easier:
Custom builds get fewer mistakes when you're face-to-face with the cashier. Drive-thru speakers are notoriously bad at picking up topping requests, especially on items that involve unusual combinations. If you're ordering a Quesadilla Burger or a Firecracker Hot Dog, walk inside or use the second window after ordering through the drive-thru.
Most kitchens know what a "Firecracker" is. Some don't. If you say "I'd like a Quesadilla Burger" and get a blank look, switch to listing the components: "I'd like a chicken quesadilla with a beef patty inside." This works at every location.
A few locations will decline secret menu requests. Reasons vary: local manager policy, time pressure during the rush, missing ingredients, or just unfamiliarity with the build. If a location says no, take it gracefully and try another store on your next visit. Pushing leads nowhere good and gives Cookout regulars a bad reputation with the staff.
The polite approach works. A simple "Hey, this isn't on the menu, but I was wondering if you can make X for me?" gets a yes 90% of the time at most Cookout locations.
Most fast food chains have very limited off-menu flexibility. The line at McDonald's can't add peanut butter to a burger because they don't stock peanut butter. The line at Wendy's can't make a quesadilla burger because they don't have flour tortillas on the line. The infrastructure of national fast food chains is optimized for consistency, not creativity.
Cookout's situation is different. The chain stocks an unusually wide range of ingredients to support its 39-flavor milkshake menu, its 7-style burger menu, and its 14-side variety. Char-grilling cooks every patty and chicken breast to order rather than batch-pre-cooking. The kitchen is already accustomed to handling custom builds because the regular menu requires it.
This operational depth is what makes the Cookout secret menu functional. Other chains "have" secret menus that exist mostly as internet folklore — items the kitchen will technically make if you describe them precisely enough. Cookout's secret menu items get made consistently across most of the chain, with predictable results, because the kitchen already has the ingredients and the technique to make them.
Most secret menu items work as Cookout Tray entrées or upgrades. Below are the three most-recommended Tray + secret menu combinations from regulars.
Total: ~$8.39+ • The most-popular full secret menu meal
The complete Cookout regulars' meal. Quesadilla Burger as the entrée, double hushpuppies on the side, and a custom milkshake blend for dessert. About $8.39 total — under the cost of a single combo at most national chains.
Total: ~$7.39 • Spicy meets cherry-vanilla cooler
The spice-and-sweet contrast meal. Firecracker Hot Dog as the heat, Cajun fries for the seasoning crossover, onion rings for crunch, and a Cheerwine Float to cool the whole thing down. No upcharge on the float swap.
Total: ~$10.50+ • Heaviest combo on the list
Peanut butter on the burger, banana fudge in the shake — the PB-banana combination carries through the whole meal. Heavy, indulgent, dessert-adjacent. Order this when you've earned it.
The secret menu is just one layer of the Cookout experience. The regular menu has 90+ items across 14 categories — explore individual sections for full pricing, calorie data, and ordering tips.
← Back to the full Cookout menu All 39 milkshake flavors → View the Cookout Tray menu →