Does Smashburger Have Gluten-Free Buns? (& GF Smashburger List)

Last Updated on September 21, 2022

Today, we’re going to be answering the question: does Smashburger have gluten-free buns? And taking a look at which products at Smashburger do not contain any gluten ingredients, and are therefore considered safe to consume on a gluten free diet.

Fast food restaurants are one of the trickiest places to navigate when following the gluten free lifestyle. Cross contact is rife in most kitchens, and gluten is usually everywhere – especially when it’s somewhere that sells burgers as their main selling point. But does Smashburger have gluten free buns? Let’s take a closer look.

What Is Smashburger?

If you’re from the US, you’ll likely already be familiar with Smashburger. If not, I’m sure you can guess what they serve at this popular fast food chain! They’re relatively new, only having been around for 15 years, but they’re ever evolving, with over 220 locations across the world already. While they’re most popular locations are in the US, they also serve food in Canada, South America and the United Kingdom.

While Smashburger is predominantly known for it’s legendary burgers, they also serve their infamous chicken and turkey sandwiches, alongside salads, French fries, other sides, soft drinks…and the most incredible milkshakes!

Does Smashburger Have Gluten Free Buns?

 Do Smashburger fries have gluten?

Let’s be honest, most fast food chains have minimal options for those following a gluten free diet. However, Smashburger has a surprising amount of options, including a gluten free bun. In fact, they use the the popular gluten free bun from Udi’s in their gluten free burgers. These should be available at all of their locations.

However, it’s worth noting that the gluten free bun is not the standard, and they have several gluten containing buns available, so be sure to make your server aware of any allergies or intolerances you have. This way they can take extra precautions when preparing your order.

Nutritional Information Of Smashburger Gluten Free Buns

You may be curious as to the nutritional value of a Smashburger Udi’s gluten free bun. Each bun contains the following:

  • Calories: 220
  • Fat: 8g
  • Saturated Fat: 2g
  • Cholesterol: 5mg
  • Sodium: 370mg
  • Carbs: 37g
  • Dietary Fiber: 1g
  • Sugar: 5g
  • Protein: 4g

Ingredients In Smashburger Gluten Free Buns

You may be wondering what the ingredients are in the Udi’s gluten free buns. Of course, there’s no gluten in sight in these buns – so what are the main ingredients? Let’s take a closer look.

 Is smash sauce gluten-free?

Each bun contains the following:

  • water
  • tapioca starch
  • brown rice flour
  • rice flour
  • rice bran
  • canola oil
  • resistant corn starch
  • egg whites
  • sugar cane syrup
  • tapioca maltodextrin
  • potato flour
  • cane sugar
  • tapioca syrup
  • yeast
  • sugarcane fiber
  • salt
  • xanthan gum
  • sodium alginate
  • guar gum
  • cultured corn syrup solids
  • citric acid
  • enzymes
  • pasteurized cream
  • natural flavorings
  • lactic acid

Does Smashburger Have A Gluten Free Menu?

While Smashburger do not have an exclusively gluten free menu, they have plenty of options which do not contain gluten. However, because they use the same preparation areas for their gluten free and gluten containing foods, they can not guarantee your food will be 100% free from any allergens.

Their website offers a handy tool which allows you to enter your dietary requirements and instantly find which foods are suitable for your lifestyle. It’s super easy to use, and extremely helpful. Most of their burger toppings are gluten free, so very few modifications need to made besides the swap for a gluten free bun!

 Is smash sauce gluten-free?

Gluten Free Menu Items At Smashburger

There are many items free from gluten available at Smashburger. Let’s take a closer look.


(swap for a gluten free bun or lettuce wrap)

  • spicy jalapeno Baja
  • avocado club
  • buffalo and blue cheese
  • classic Smashburger
  • truffle mushroom swiss
  • bacon cheeseburger
  • BBQ, bacon and cheddar (no onions)
  • spinach, cucumber and goat’s cheese


(swap for a gluten free bun or lettuce wrap – all chicken should be grilled)

  • spicy jalapeno Baja
  • avocado club
  • buffalo and blue cheese
  • classic Smashburger
  • truffle mushroom swiss
  • bacon cheeseburger
  • BBQ, bacon and cheddar (no onions)
  • spinach, cucumber and goat’s cheese


  • French fries
  • Buffalo fries
  • sweet potato fries
  • veggie fries
  • smash fries
  • garden salad


  • classic cobb
  • harvest salad
  • Baja cobb
  • spinach cucumber and goat cheese salad


(be sure to order with no malt powder)

  • vanilla shake
  • chocolate shake
  • strawberry shake
  • salted caramel shake
  • peanut butter shake
  • chocolate peanut butter shake
  • Butterfinger shake

Extra Toppings and Sauces

  • bacon
  • cucumbers
  • fresh mushrooms
  • grilled mushrooms
  • avocado slices
  • yellow onions
  • red onions
  • grilled onions
  • fried egg
  • tomato slices
  • jalapenos
  • leaf lettuce
  • pickles
  • guacamole
  • spinach
  • Smash sauce
  • mayonnaise
  • mustard
  • BBQ sauce
  • ketchup

 What kind of bread does Smashburger use?


I hope this post has helped to answer the question: does Smashburger have gluten free buns? And given you an idea of which foods and drinks you can enjoy when dining out at Smashburger. Smashburger is one of the easiest fast food chains to navigate when it comes to gluten free food, and it’s only improving!

What’s your go-to order when eating at Smashburger? Do you have any tips or tricks when ordering your meal? Please feel free to let me know in the comments below. Sharing is caring!