Celiac safety profile
Shake Shack
Hamburger Restaurant · American Restaurant · Catering Food And Drink Supplies · Catering Service
3251 20th Ave, San Francisco, CA 94132, United States
What you can eat here
Pulled from Gluto's celiac safety report for this location.
✅ Reported safe options
- Gluten-free burger on a gluten-free bun
- Burger ordered with a lettuce wrap (bunless option)
- Gluten-free frozen custard served in a cup (when gluten-containing toppings are avoided)
- Request a gluten-free bun or opt for a lettuce-wrapped burger.
- Mention an explicit allergy, reference the allergen information, and ask for kitchen precautions (glove changes, surface cleaning, and separation of GF-order prep).
- Be cautious about fries and sauces due to cross-contact risks.
⚠️ Risks & cross-contamination
- The restaurant is not listed as having a dedicated gluten-free facility.
- Fries are repeatedly flagged as a high-risk item due to potential cross-contact from shared fryers or oil, with some statements suggesting fries may not be safe.
- Sauces and other add-ons can contain gluten; some sources note a gluten-containing Shack Sauce, so it’s wise to avoid gluten-containing toppings unless you’ve confirmed they’re gluten-free for your order.
- While many staff members show knowledge and diligent practices, there are also reports of inconsistent knowledge or practices across shifts, which means safety can hinge on how well the specific visit is managed.
Gluto score breakdown
Each axis is scored 0–100 from research + community signals.