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OREO Cake Shake at Portillo's — launch date and LTO window
A hand-spun vanilla milkshake blended with Portillo's new Oreo Cake, topped with crushed Oreo cookie pieces.
Key data
Portillo's launched the OREO Cake Shake, announced October 6, 2026, available from October 6, 2026. It is a limited-time offer in the shakes & frozen category, available nationwide. This record is backed by 2 sources and 2 independent outlets.
The facts
| Field | Value |
|---|---|
| Chain | Portillo's |
| Launch type | Limited-time offer |
| Announced | October 6, 2026 |
| Available from | October 6, 2026 |
| Available until | While supplies last |
| Price | Not stated |
| Markets | Nationwide |
| Channels | Not stated |
| Category | Shakes & frozen |
Sources
Every published launch carries at least one source with a quote from the original announcement.
- Consumer mediaOctober 11, 2026
“The new Oreo Cake Shake starts with a hand-spun vanilla shake, blends in Portillo’s new Oreo Cake, and finishes with crushed Oreo cookie pieces on top.”
sporked.com ↗ - Trade mediaOctober 6, 2026
“OREO Cake Shake : A creamy hand-spun vanilla shake mixed with OREO Cake and topped with crushed OREO cookie pieces.”
qsrmagazine.com ↗
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