In-N-Out Seed Oil Report Card
Based on our menu research, In-N-Out cooks with: 100% sunflower oil (fries, cut fresh in-store). Across the 51 menu items we analyzed, it averages 5.1g estimated PUFA per item, earning a seed-oil grade of B (Medium Risk).
Safest Orders at In-N-Out
Learn this once: a salad with grilled protein and the dressing left off is nearly always the lowest seed oil order anywhere. So the list below sticks to real meals, salads included, never just a water.
Cleanest full order: Flying Dutchman (2 patties + 2 cheese, no bun) + Regular + Iced Tea, 1.0g total
| Item | PUFA |
|---|---|
| Lemon-Up | 0.0g |
| Flying Dutchman (2 patties + 2 cheese, no bun) | 1.0g |
| Hamburger Protein Style | 4.0g |
| Cheeseburger Protein Style | 5.0g |
| Hamburger Protein Style (lettuce wrap) | 5.0g |
What to Avoid at In-N-Out
| Item | PUFA |
|---|---|
| Double-Double Combo | 16.0g |
| Cheeseburger Combo | 14.0g |
| Animal Style Fries | 13.0g |
| Hamburger Combo | 13.0g |
| French Fries (Well Done) | 11.0g |
Frequently asked
Does In-N-Out use seed oils?
Based on our menu research, In-N-Out cooks with: 100% sunflower oil (fries, cut fresh in-store). Across the 51 menu items we analyzed, it averages 5.1g estimated PUFA per item, earning a seed-oil grade of B (Medium Risk).
What oil does In-N-Out cook with?
Our research indicates: 100% sunflower oil (fries, cut fresh in-store). Preparation can vary by location, so treat PUFA numbers as estimates.
Does In-N-Out use beef tallow?
No. Our research indicates In-N-Out cooks with 100% sunflower oil (fries, cut fresh in-store), not beef tallow. For chains that fry in tallow or other real fats, see Tallow Watch.
Is In-N-Out seed oil free?
No. Our research indicates In-N-Out cooks with 100% sunflower oil (fries, cut fresh in-store), which includes seed oils. See the lower-PUFA orders above for the cleanest picks.
What is the safest thing to order at In-N-Out?
Lemon-Up is the lowest-PUFA item we analyzed at In-N-Out, at an estimated 0.0g PUFA. See the Safest Orders list on this page for more options.
What should I avoid at In-N-Out?
Double-Double Combo is the highest-PUFA item we analyzed at In-N-Out, at an estimated 16.0g PUFA. Fried items and creamy, mayo-based sauces are usually the heaviest.
What are seed oils?
Seed oils — canola, soybean, sunflower, corn, and similar vegetable oils — are extracted from seeds using high heat and chemical solvents. They are very high in polyunsaturated fats (PUFAs), which are unstable at cooking temperatures and can oxidize easily. Many health-conscious eaters choose to minimize seed oils and prefer foods cooked in beef tallow, butter, coconut oil, or olive oil instead. This page shows estimated PUFA grams per menu item to help you make more informed choices. These are estimates — actual values vary by preparation and location. Curious why people avoid them? Read the evidence.
Compare other chains
McDonald's · Burger King · Wendy's · Five Guys · Whataburger · Culver's
See where In-N-Out lands on the full Seed Oil Index, or check which chains cook in real fats on Tallow Watch. Wondering about a specific dish instead? The Is It Seed Oil food guide answers it for 200+ everyday foods, and the distributor oils page covers what independent restaurants fry in.