Is In-N-Out Burger Low FODMAP? Menu Guide [2026]
Yes! Discover safe low FODMAP options at In-N-Out Burger including Protein Style Burger, Flying Dutchman, and Plain Burger Patty. Full menu breakdown with items to avoid and ordering tips.
✓ Safe Items to Order
| Item | Notes | Modifications |
|---|---|---|
| Protein Style Burger | Burger wrapped in lettuce instead of bun | Order plain - no spread, no onion, add tomato |
| Flying Dutchman | Two patties with two slices of cheese, no bun | Skip if lactose-sensitive, or request without cheese |
| Plain Burger Patty | Just the meat patty alone | Order as many patties as needed |
| French Fries | Fresh-cut potatoes | In-N-Out fries are cooked in sunflower oil |
| Lettuce, Tomato | Fresh vegetable toppings | Add these to your protein-style order |
✗ Items to Avoid
- • Regular buns (wheat)
- • In-N-Out Spread (contains relish with onion)
- • Grilled onions
- • Raw onions
- • Shakes (high lactose)
- • Animal Style anything (spread + grilled onions)
Example Orders
Protein Style Meal
- ✓ Double-Double Protein Style, plain - no spread, no onion
- ✓ Add lettuce and tomato
- ✓ French fries
- ✓ Water or unsweetened iced tea
Tip: Protein style wraps the burger in lettuce
Ultra Simple
- ✓ Two plain burger patties
- ✓ Side of lettuce and tomato
- ✓ French fries
Tip: The simplest, safest approach
Quick Summary
In-N-Out Burger is one of the better fast-food options for low FODMAP diners thanks to their Protein Style option and simple menu. Just avoid the bun, spread, and onions.
Best bets: Protein Style burger (no spread, no onion), French fries
Always avoid: Buns, spread, onions (grilled or raw), Animal Style, shakes
The Secret Menu Advantage
In-N-Out’s “secret menu” is well-known and includes options helpful for FODMAP:
- Protein Style - Lettuce wrap instead of bun
- Flying Dutchman - Just meat and cheese, no bun
- Plain patties - Order meat only
How to Order
Say:
“I’d like a Double-Double Protein Style, plain - with no spread and no onion. Just lettuce and tomato. And french fries.”
The staff are very familiar with custom orders.
About the Spread
In-N-Out’s signature spread is similar to Thousand Island dressing and contains onion (likely in the relish component). Always order “no spread” for low FODMAP.
About the Fries
In-N-Out fries are:
- Fresh-cut potatoes
- Cooked in sunflower oil
- No shared fryer with breaded items
This makes them generally safe for low FODMAP diners.
Animal Style Warning
“Animal Style” burgers and fries include:
- The spread (contains onion)
- Grilled onions
- Mustard-grilled patty
Always avoid Animal Style for FODMAP.
Last verified: January 2025. Menu items and ingredients can change. Always confirm with restaurant staff.
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Frequently Asked Questions
Is In-N-Out Burger low FODMAP? ▼
Yes, In-N-Out Burger has low FODMAP options including Protein Style Burger, Flying Dutchman, Plain Burger Patty. Always confirm with staff about current ingredients and preparation methods.
What can I order at In-N-Out Burger on a low FODMAP diet? ▼
Safe low FODMAP options at In-N-Out Burger include: Protein Style Burger, Flying Dutchman, Plain Burger Patty, French Fries, Lettuce, Tomato. Ask for modifications when needed.
What should I avoid at In-N-Out Burger on a low FODMAP diet? ▼
Items to avoid at In-N-Out Burger include: Regular buns (wheat), In-N-Out Spread (contains relish with onion), Grilled onions, Raw onions, Shakes (high lactose). These contain high FODMAP ingredients like onion, garlic, or wheat.
Are In-N-Out Burger fries low FODMAP? ▼
Plain fries at In-N-Out Burger are generally low FODMAP as potatoes are safe. However, verify they are not fried in shared oil with onion rings or breaded items, and avoid seasoned fries that may contain garlic or onion powder.
What is a good low FODMAP meal at In-N-Out Burger? ▼
A great low FODMAP meal at In-N-Out Burger is the Protein Style Meal: Double-Double Protein Style, plain - no spread, no onion, Add lettuce and tomato, French fries, Water or unsweetened iced tea. Always verify current ingredients with staff.
