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McDonald’s announced that they are improving their burgers. This means that they changed the ingredients and cooking processes. Here’s what we know:

  • McDonald’s bun products now contain pea protein. This change affects all burger, chicken, and fish sandwich products. Pea protein remains an ingredient for their chicken nugget products.

Ingredient list of McDonald's hamburger bun with the following words underlined: Vegetable Proteins (Pea, Potato, Rice And/Or Faba Bean)

Ingredient list for McDonald’s bun



  • They are also changing the burger cooking process to add white onion to the patties while they are still on the grill. This may increase the chance of cross-contact with onion for anything made on the burger grill.

The company ingredient information is updated on the company’s website. Because pea protein is not a top allergen, there is no warning of the ingredient change on their website or mobile app.

Remember to check ingredients and read labels on foods. Ingredients and processing can change at any time. Companies are required to provide up to date ingredient and allergen information, but they are not required to alert consumers about changes. Join our community to always get breaking food allergy news, research, and treatments.

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  • Ingredient list of McDonald's hamburger bun with the following words underlined: Vegetable Proteins (Pea, Potato, Rice And/Or Faba Bean): Ingredient list of McDonald's hamburger bun with the following words underlined: Vegetable Proteins (Pea, Potato, Rice And/Or Faba Bean)

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Comments (7)

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@Steve1976, if you take a look at the news article KFA linked from "improving their burgers" you'll see that the new buns just started rolling out across the west coast a little over a month ago. So stay on guard if your son decides to try burgers again. He may have not had the new recipe yet.

K

@Steve1976 There are pea ingredients in the chicken nugget products as well. If he's tolerating those with no reactions, it may be worth bringing up with your doctor if you haven't already.

Moe M.

@Moe M.  He hasn't had a burger there in quite a few months.  He gets into phases of what he enjoys eating.  He now eats nothing but Chicken Nuggets from there of which he has no reaction too.  But in the event he decides he wants a burger, it would be good to know if and when this change has taken place. 

S

Hello @Steve1976 and welcome to the community! I'm sorry your family is affected by this product change.

KFA did reach out to McDonald's for more information on behalf of our community. McDonald's didn't clarify when distribution began or when all locations would have the new buns. Should any further updates become available we will share them here.

Was your son having any reactions to the burgers/buns?

Moe M.

Does anyone know when this change took affect? Meaning what date the the distribution of the new buns occur?  My son has allergies to pea protein and potatoes along with Peanuts/Tree Nuts/Eggs.   He recently stopped eating burgers on his own fruition, but we are not sure if its because of the ingredient change as we do not know when this change took affect.

S
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