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Does In-N-Out Cook Fries in Beef Tallow?

4 min read

Recent viral rumors and April Fool's Day pranks have claimed In-N-Out switched to beef tallow for cooking their fries, but the company has repeatedly debunked these falsehoods. While some fast-food chains are making the switch, the beloved California burger joint remains firm in its commitment to a different cooking oil for its hand-cut potatoes. So, does In-N-Out cook fries in beef tallow? The answer is no, and they have been consistent on this for years.

Quick Summary

In-N-Out exclusively uses 100% sunflower oil to cook its french fries, contrary to viral rumors about switching to beef tallow. This information is confirmed by the company and has been a long-standing practice. The fries are hand-cut daily from fresh, whole potatoes and are vegetarian-friendly.

Key Points

  • No Beef Tallow: In-N-Out does not cook its fries in beef tallow, despite persistent online rumors.

  • Sunflower Oil Confirmed: The company uses 100% sunflower oil for its french fries, a fact confirmed on its official website.

  • Rumors are False: A viral April Fool's Day post in 2025, which was later clarified as a joke, fueled the misinformation about a switch to beef tallow.

  • Vegetarian-Friendly: Since the fries are cooked in sunflower oil, they are suitable for vegetarians and vegans.

  • Not Animal Style: While the plain fries are meat-free, ordering "Animal Style" adds a non-vegan spread and cheese.

  • Consistency is Key: In-N-Out maintains its simple, quality-focused approach, sourcing fresh potatoes daily and cooking them to order.

In This Article

In-N-Out's Commitment to Sunflower Oil

For decades, In-N-Out has maintained a simple, quality-focused menu, and its frying process for french fries is no exception. The company's official website and press releases consistently confirm that their hand-cut fries are cooked exclusively in 100% sunflower oil. This choice is part of their broader commitment to freshness and quality, ensuring that the ingredients are kept simple and minimally processed. The potatoes are delivered fresh, individually cut in-store, and cooked to order, avoiding the use of freezers or microwaves.

The Source of the Beef Tallow Rumors

The confusion and misinformation surrounding In-N-Out's cooking oil can be traced back to several incidents. A notable source was an April Fool's Day joke post by an unofficial fan account on social media, which claimed the company was transitioning to 100% pure beef tallow. The prank went viral, leading to widespread confusion, and was even erroneously picked up and cited in an official White House news release. The White House later corrected its statement, and In-N-Out's Chief Operating Officer, Denny Warnick, officially clarified that no such change had occurred. The chain has indicated it continues to work on upgrades to its current sunflower oil but has not made a change to beef tallow.

Why Beef Tallow is a Hot Topic in Fast Food

The interest in beef tallow is not unfounded. It has recently gained traction among some fast-food enthusiasts and even some restaurants for the distinct, savory flavor it imparts to fried foods. Chains like Steak 'n Shake have made the switch away from seed oils to beef tallow, citing health concerns raised by some critics about seed oils like sunflower, canola, and soybean oil. However, the health claims against seed oils are often disputed by medical evidence, and beef tallow is high in saturated fat. The debate highlights a larger trend of customers being more mindful of ingredients, even at fast-food restaurants.

Comparing Cooking Oils: Sunflower vs. Beef Tallow

Feature In-N-Out's Sunflower Oil Beef Tallow (Not used by In-N-Out)
Origin Plant-based (100% from sunflower seeds) Animal-based (rendered fat from cattle)
Saturated Fat Low in saturated fat, high in monounsaturated and polyunsaturated fats High in saturated fat
Flavor Profile Neutral flavor, allowing the potato taste to shine Rich, savory, meaty flavor
Vegetarian-Friendly Yes, suitable for vegetarians No, contains animal products
Health Reputation Generally regarded as a heart-healthy choice by many, though some critics dispute this Seen as a traditional, flavorful, but higher-in-saturated-fat option
Use in Other Chains Common for fries in many restaurants Used by some chains (e.g., Steak 'n Shake) and independent restaurants

A Note for Vegetarian Customers

The use of 100% sunflower oil is a crucial detail for vegetarian and vegan customers. As In-N-Out fries do not contain any animal products during the cooking process, they are a suitable option for those on a plant-based diet. However, customers concerned with cross-contamination should be aware that while the fries are cooked in dedicated fryers, the kitchen itself handles meat products. For those who order "Animal Style" fries, it's important to remember that these are topped with a dairy-based cheese and non-vegan spread, rendering them non-vegetarian.

The Future of In-N-Out's Cooking Oil

While In-N-Out has confirmed its current use of sunflower oil, a statement from a company COO mentioned they are exploring an "upgrade" to the current oil. This does not necessarily mean a move to beef tallow. Given the chain's long history and commitment to consistency, any potential change would likely be met with careful consideration of its impact on flavor, customer base, and company philosophy. Until then, customers can rest assured that the fries are cooked in sunflower oil, just as they have been for years. In-N-Out's ingredient transparency can be found on its official website, which details its long-standing food quality standards.

Conclusion

Despite persistent and widely circulated online rumors, In-N-Out Burger does not cook its famous fries in beef tallow. The company officially confirms that it uses 100% sunflower oil. This practice is part of their tradition of using fresh, simple ingredients, ensuring their fries are suitable for vegetarian diets. The rumors were largely fueled by an April Fool's Day joke that was mistakenly amplified online, but In-N-Out has consistently clarified the misinformation. For now, the distinct flavor of In-N-Out's fries comes from the fresh Kennebec potatoes and the sunflower oil, not from animal fat.

In-N-Out's Cooking Practices vs. Viral Claims

How In-N-Out's Freshness Impacts Its Process

The Rise of Beef Tallow vs. Traditional Seed Oils

Why In-N-Out Sticks with Sunflower Oil for Its Fries

Debunking the Myth: Sunflower Oil Confirmed

Conclusion

The Verdict: No Beef Tallow for In-N-Out Fries

The Real Story Behind In-N-Out's Fries

Reference Link for Further Reading: In-N-Out Burger's Official Food Quality Statement

Frequently Asked Questions

No, In-N-Out does not use beef tallow for their fries. The company uses 100% sunflower oil to cook its hand-cut french fries.

Yes, In-N-Out's plain fries are vegetarian and vegan. They are cooked in plant-based sunflower oil and contain no animal products.

In-N-Out uses 100% pure, cholesterol-free sunflower oil to cook its french fries.

The recent rumor stemmed from a viral April Fool's Day joke post by a fan account on social media. This misinformation was later mistakenly reported by other outlets.

No, In-N-Out has never cooked its fries in beef tallow. For decades, the company has used either sunflower oil or, in earlier years, cottonseed oil.

Yes, some other fast-food chains, like Steak 'n Shake, have reportedly switched to cooking their fries in beef tallow.

The company has indicated it is looking into an 'upgrade' for its current oil but has not changed to beef tallow. There are no official announcements confirming plans for such a switch.

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.