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KFC · Dirty Millionaire
A Kwench by KFC shake variant with chocolate cookie crumbs, chocolate sauce, and caramel sauce, spun off from the Downright Dirty Meal platform.
Every milkshake menu item, by chain and by year
Which US restaurant chains put milkshake on the menu, when each launch ran, and who got there first.
Key data
MenuLaunches has tracked 8 milkshake menu launches across 6 US restaurant chains between 2026 and 2026, peaking in 2026-09. The chains that use it most are KFC, Hardee's, Sonic Drive-In, Baskin-Robbins.
- Launches
- 8
- Chains
- 6
- Years covered
- 2026–2026
- Peak month
- 2026-09
Launches by month
When chains actually put this on the menu.
- 726-09
- 126-10
Who launched milkshake first in 2026
Ordered by announce date.
| # | Chain | Item | Announced |
|---|---|---|---|
| 1 | Shake Shack | Biscoff Cookie Butter Tiramisu Shake | September 3, 2026 |
| 2 | Shake Shack | Reese's Peanut Butter Cup Shake | September 3, 2026 |
| 3 | Denny's | Caramel Apple Milk Shake | September 4, 2026 |
| 4 | Baskin-Robbins | Biscoff Cookie Signature Shake | September 9, 2026 |
| 5 | Sonic Drive-In | Banana Pudding Blast | September 9, 2026 |
| 6 | Sonic Drive-In | Banana Pudding Shake | September 9, 2026 |
| 7 | Hardee's | S'mores Hand-Scooped Ice Cream Shake | September 10, 2026 |
| 8 | KFC | Dirty Millionaire | October 14, 2026 |
All launches
SeasonalWhile supplies last
Hardee's · S'mores Hand-Scooped Ice Cream Shake
Hand-scooped vanilla ice cream blended with toasted marshmallow and chocolate syrups, finished with graham cracker and chocolate sprinkles.
ReturningWhile supplies last
Sonic Drive-In · Banana Pudding Shake
Banana pudding-flavored soft serve blended with vanilla wafer cookie crumbles, topped with more crumbles, whipped topping, and a maraschino cherry.
Limited-time offerWhile supplies last
Sonic Drive-In · Banana Pudding Blast
Banana pudding-flavored soft serve blended with vanilla wafer cookie crumbles and topped with more vanilla wafer cookie crumbles.
Limited-time offerWhile supplies last
Baskin-Robbins · Biscoff Cookie Signature Shake
Biscoff Crème Brûlée Ice Cream blended with milk and simple syrup, served in a Biscoff Cookie Butter-lined cup, topped with whipped cream, more Biscoff Cookie Butter, and a Biscoff cookie.
SeasonalWhile supplies last
Denny's · Caramel Apple Milk Shake
A milkshake with caramel apple flavor, part of Denny's limited-time Fall Fest menu.
Limited-time offerWhile supplies last$9.99
Shake Shack · Reese's Peanut Butter Cup Shake
Vanilla frozen custard blended with Reese's Creamy Peanut Butter and fudge sauce, poured into a cup lined with a crackable dark chocolate shell, and topped with whipped cream, Reese's Mini Peanut Butter Cups, and chopped Reese's Pieces.
Limited-time offerWhile supplies last$7.49
Shake Shack · Biscoff Cookie Butter Tiramisu Shake
Tiramisu frozen custard mixed with Biscoff Cookie Butter and Biscoff Cookie crumbs, topped with whipped cream and more Biscoff Cookie crumbs.