Gluten-free restaurant guide

Is Smashburger gluten-free?

Best-case grade: CShared fryer — caution

Stocks Udi's gluten-free buns and lettuce wraps and will grill the bun separately if asked; most (but not all) locations use dedicated fry oil. Shared prep with no formal celiac program — confirm the fryer at your store.

What's safe to order at Smashburger

Burger on Udi's GF bunOn the GF menu
Lettuce-wrap burgerGluten-free if modified
FriesRisky — skip or verify
Dedicated oil at most but not all locations.
Crispy chicken / onion ringsRisky — skip or verify

How to order gluten-free at Smashburger

Ask for the Udi's GF bun grilled separately.
Confirm your location has dedicated fry oil before ordering fries.
Request fresh gloves and a clean spatula.

This grade assumes a relaxed eater. Strict celiac? Sift re-grades every restaurant for your level — shared fryers, oats, traces and all.

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Guidance, not medical advice. Menus, ingredients and kitchen practices vary by location and change over time — always confirm with staff before ordering. All restaurant guides