United States Dish

Oklahoma Onion Burger

Also known as: oklahoma burger, onion smash burger, oklahoma fried onion burger, depression era onion burger, ok onion burger, smashed onion burger

What is Oklahoma Onion Burger?

A thin beef patty smashed onto a mound of thinly sliced onions on a flat-top griddle, then served on a soft bun. Born during the Great Depression in El Reno, Oklahoma, as a way to stretch meat with cheap onions.

Typical Ingredients

ground beef
yellow onion
soft hamburger bun
american cheese
pickles
yellow mustard

Allergen Information

Always confirm with restaurant staff before ordering.

Soy
Sometimes Present
Eggs
Sometimes Present
Dairy
Often Present
Gluten
Often Present
Sesame
Sometimes Present
Mustard
Often Present
Sulphites
Sometimes Present

Bun contains gluten. American cheese is dairy. Yellow mustard is a traditional topping. Some buns contain sesame, soy, or eggs. Pickles may contain sulphites.

Safer Variations

Allergen-friendly alternatives to ask for.

Serve the patty and onions in a lettuce wrap
Order without cheese and mustard
Ask for a sesame-free bun

Questions to Ask Staff

Important questions to confirm with restaurant staff.

Does the bun contain sesame seeds?
Is mustard applied by default?
Can I get a lettuce wrap instead?

More United States Dishes

Good for These Diets

Based on this dish's typical allergen profile, it may be suitable for:

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Important Disclaimer

Allergen information is based on typical recipes and may vary by restaurant, region, or preparation method. Always confirm with restaurant staff before ordering.