Cook Out milkshakes are handspun and thick. The Tray upgrade is the better deal almost every time a standalone shake costs close to $4.50, while adding one to a Cook Out Tray only costs about $1.50 extra. Ask for it thin if you prefer to drink through a straw right away; the default consistency is closer to soft serve than a sippable shake.

Prices vary by location. Always confirm current pricing at your local Cook Out before ordering.

The master flavor list, sorted A to Z, with category, seasonal status, and real fruit information. Seasonal items rotate by location ask at the window if a seasonal flavor is not shown on the posted board.

Flavor availability varies by location. Seasonal items are not always announced online ask at the window or check the posted board.

Based on customer ordering patterns, social media discussions, and frequently cited recommendations across food forums and review sites, these are the most ordered Cook Out milkshakes. Oreo and Banana Pudding consistently top the list across different regions.

The right pick depends on what you’re after. Here’s a quick breakdown by category so you can find the right shake without reading through the entire list.

Cook Out rotates seasonal flavors throughout the year. Seasonal shakes tend to sell out toward the end of their window, so ordering early in the season is the safer move. These are not always listed online before launch check the posted board at your location.

Exact seasonal dates vary by location. Check locally CookOut does not always announce seasonal launches through its website or social media before they appear on the board.

Mixing two flavors is free at Cook Out. The combinations below come from customer recommendations, food community discussions, and social media reviews pairings that Cook Out regulars come back for specifically, not random guesses.

Cook Out does not have an official secret menu, but the free mixing system means customers have been creating and sharing custom combinations for years. These are some of the most talked about customer created shakes, found across food blogs, Reddit threads, and social media posts from Cook Out regulars. None are listed on the board you just ask for them by description at the window. See the full Cook Out Secret Menu page for more custom order ideas.

Three way mixes are available at most locations but not guaranteed everywhere ask at the window first.

Ordering a custom shake at Cook Out is simple once you know the system. Here’s exactly what to say and do at the window.

Cook Out milkshakes are made from a small set of core ingredients that vary depending on the flavor selected. Unlike many fast food chains that use premade shake mixes, Cook Out hand spins each shake to order. The base ingredients are consistent across most flavors; the mixins change by category.

Exact ingredients may vary by location and are subject to change. If you have a specific allergy concern, ask staff for current ingredient details or check the Cook Out Allergens Menu before ordering.

Cook Out milkshakes are dessert drinks no option is truly low calorie. That said, there’s a meaningful range between fruit based and nut and candy flavors. The table below shows both ends of the spectrum. For the full nutrition reference, see the Cook Out Nutrition page.

All figures are estimates. Peanut Butter carries the most protein due to nut content, but also the highest fat. Values shift with mix ins, toppings, and portion size.

All Cook Out milkshakes are dairy based. There are no dairy free or vegan options on the standard menu. Candy flavors add further allergens peanuts in Reese’s and Peanut Butter, tree nuts (almonds) in Heath Bar, and gluten in Oreo based shakes. Shared blending equipment means cross contact is possible across all flavors. Full details are on the Cook Out Allergens Menu.

Cook Out shakes sit at a competitive price point, but the flavor count and free mixing system make the value proposition significantly stronger than the number alone suggests. Here’s a direct comparison across the major fast food shake programs.

Cook Out’s price is in line with Chick fil A and below Sonic, but with more than eight times the flavor count of either. McDonald’s is cheaper, but offers four flavors and no customization. When added to a Cook Out Tray as an upgrade, the value gap widens further most competing chains don’t offer a comparable meal + shake bundle at the same price point.

For the full Cook Out Burgers Menu and Cook Out Sides Menu, see the linked pages for complete options.