Low FODMAP at In-N-Out Burger - Complete Ordering Guide
Complete guide to ordering low FODMAP at In-N-Out Burger. Safe menu items, what to avoid, and how to customize your order.
✓ 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.