Cooking Oils
By Kasra SaidiOctober 1st, 2024

What are High Heat Cooking Oils?

Discover the best high heat cooking oils, including algae, avocado, and peanut oil, to withstand high temperatures and boost flavor.

Key Takeaways:

  • High heat oils are made to handle hot temperatures — they resist breaking down, smoking, or burning when used for searing, roasting, or stir-frying.
  • Smoke point isn’t the only thing that matters. A good high heat oil should also have a flavor that compliments your dish and a healthy balance of fats.
  • Many oils like avocado, safflower, and sunflower can handle high temperatures and work well in the kitchen — but algae oil is the one that truly checks all the boxes.

When you’re cooking something like a juicy steak or crispy stir-fry, you need your pan to get really hot. That’s called high heat cooking, and it helps give the meat a nice golden sear and locks in flavor. But not all cooking oils can handle that kind of heat.

Some oils start to smoke or break down when the temperature gets too high, leaving behind a burnt, bitter taste, and even creating harmful compounds. That’s where a high-temperature cooking oil comes in.

In this guide, we’ll break down everything you need to know about high heat cooking and which oils are best for this purpose. Whether you're searing meat, roasting veggies, or stir-frying, you’ll walk away knowing exactly which oils to reach for.

What are High Heat Oils?

High heat oils are cooking oils that can handle very hot temperatures — usually around 400°F (204°C) or higher — without burning, smoking, or breaking down. These oils are perfect for high heat cooking methods like searing steak, stir-frying vegetables, roasting in the oven, or grilling.

Each oil has a smoke point, which is the temperature at which it starts to burn and produce smoke. When oil hits this point, it can break down and release harmful compounds like acrolein (which gives off a burnt smell) and free radicals .

That’s why using a high temp cooking oil with a high smoke point is important — it stays stable, keeps your food tasting great, and helps you get that perfect golden crust without any bitter flavor or unwanted toxins.

The Best High Heat Cooking Oils

Now that you know why high heat oils matter, let’s take a closer look at some of the best options for searing, stir-frying, roasting, and grilling. Each of these oils has a high smoke point, which makes them suitable for temperatures around 400°F (204°C) or higher.

Algae cooking oil

Algae cooking oil is a standout high heat option with an impressive smoke point of around 535°F (279°C). Made from microalgae, it offers a clean, neutral flavor that works well in a variety of recipes. What makes it unique is its high stability and monounsaturated fat content, which includes 25% more heart-healthy omega-9s and 75% less saturated fat than both olive and avocado oils.

This makes it a great choice for those looking to support heart health. It’s also non-GMO and sustainably produced, which adds to its appeal for health-conscious cooks.

Related: 6 Health Benefits of Algae Oil

Safflower oil

Safflower oil has a high smoke point of about 510°F (266°C), making it a strong performer for high-heat cooking like searing, frying, and roasting. It has a very mild flavor and is high in heart-healthy monounsaturated fats. However, it also contains a significant amount of omega-6 fatty acids, which some people choose to limit in their diet to support a better inflammatory balance.

Refined avocado oil

Refined avocado oil is extracted from the flesh of the avocado and boasts a smoke point between 480–520°F (249–271°C), making it one of the most stable oils for cooking at high temperatures. It has a subtle, buttery taste and is rich in monounsaturated fats and antioxidants.

Because of its high stability and minimal processing, it's a popular choice for those seeking a cleaner, versatile cooking oil. Just keep in mind that unrefined avocado oil has a lower smoke point.

Related: The Best Avocado Oil Substitute and Other Alternatives

Soybean oil

Soybean oil has a smoke point of around 437–455°F (225–235°C) and is commonly used in home and commercial kitchens thanks to its affordability and versatility. It contains omega-3 fatty acids but is also high in omega-6s and often comes from genetically modified crops. If you choose soybean oil, opting for organic or non-GMO versions and using it in moderation can help maintain a more balanced intake of fats.

Refined sunflower oil

Refined sunflower oil has a smoke point of about 450°F (232°C), making it another high temp oil. It has a light flavor and is rich in vitamin E, an antioxidant that supports skin health. Sunflower oil also contains a mix of monounsaturated and polyunsaturated fats, depending on the variety.

While it's a versatile oil, it’s important to look for high oleic sunflower oil, as it contains more stable monounsaturated fats than regular sunflower oil.

Canola oil

Canola oil, with a smoke point of 428-446°F (220-230°C), is a popular choice for high-heat cooking due to its mild flavor and cost-effectiveness. This oil is commonly found in both residential and commercial kitchens, and often used for frying, sautéing, baking, and even searing steak. Due to its stability at high temperatures, it’s a reliable option for achieving a perfect sear.

Related: The Best Canola Oil Substitute and Alternatives

Grapeseed oil

Grapeseed oil, with a smoke point of about 421°F (216°C), is an excellent choice for high-heat cooking, especially when searing or sautéing meat. Extracted from grape seeds, it has a light, neutral flavor that lets the natural taste of the meat shine through.

Rich in vitamin E and polyunsaturated fats, grapeseed oil helps achieve a crisp, golden crust when cooking meats like steak or chicken.

High Heat Cooking Oil Chart

Here's a helpful chart to compare the smoke points and key characteristics of the oils we've discussed. This will guide you in selecting the best high heat cooking oil based on your needs.

Cooking OilMain Type of FatSmoke PointKey Characteristics
Algae cooking oilMonounsaturated fats535°F (279°C)High stability, neutral taste, 25% more heart-healthy omega-9s, 75% less saturated fat than olive & avocado oils.

Non-GMO and sustainably produced.
Safflower oilPolyunsaturated fats510°F (266°C)Mild flavor, high in monounsaturated fats, may have a high omega-6 content.
Refined avocado oilMonounsaturated fats480–520°F (249–271°C)Subtle, buttery flavor, rich in monounsaturated fats and antioxidants, stable for high heat.
Soybean oilPolyunsaturated fats437–455°F (225–235°C)Affordable, versatile, and often used in commercial kitchens.
Refined sunflower oilPolyunsaturated fats450°F (232°C)Light flavor, rich in vitamin E, and supports skin health. Look for high oleic sunflower oil for more stable fats.
Canola oilMonounsaturated fats428–446°F (220–230°C)Mild flavor, cost-effective, popular for frying, sautéing, and searing steak.
Grapeseed oilPolyunsaturated fats421°F (216°C)Light, neutral flavor, great for searing and sautéing meat, rich in vitamin E.

High heat cooking oils chart infographic from the text above

Smoke Point Isn’t Everything When It Comes to High Heat Oils

While a high smoke point is important, it’s not the only thing to think about when choosing a cooking oil. There are a few other factors that can make a big difference in how your food tastes — and how it affects your health.

Flavor matters. Some oils have a strong taste that can change the flavor of your dish. For example, extra virgin olive oil has a bold, peppery flavor that might not work well when you’re searing a steak. On the other hand, oils like algae, avocado, and canola have a mild or neutral flavor, so they let the taste of your food shine through.

Nutrition is key too. Some high heat oils are high in saturated fats, which can raise your cholesterol if you eat too much of them. It’s a good idea to choose oils low in saturated fats and higher in healthy fats, like omega-9 monounsaturated fats, instead .

Lastly, watch out for seed oils. Many common high heat oils, like soybean, canola, sunflower, safflower, and grapeseed, are seed oils. These are often high in omega-6 fatty acids. While omega-6s aren’t bad on their own, too much of them — especially without enough omega-3s — can lead to inflammation over time .

That’s why some people try to limit seed oils or balance them with oils that have more omega-3s or monounsaturated fats.

The Bottom Line

Choosing the right oil for high-heat cooking isn’t just about avoiding smoke — it’s also about protecting the flavor of your food and supporting your long-term health.

While there are several oils that can handle high temperatures, algae oil is the best oil for high heat. It’s incredibly stable under heat, has a clean, neutral taste, and offers a nutritional profile that’s hard to beat — with more heart-healthy omega-9s and far less saturated fat than olive or avocado oil.

If you're looking for a reliable, sustainable, and heart-smart option, algae oil from Algae Cooking Club is a great one to try in your kitchen.

4 References

By Kasra Saidi
CEO & Co-Founder

Kasra Saidi is the CEO and co-founder of Algae Cooking Club. He believes that cooking should be a creative and joyful experience for everyone. Realizing that many traditional cooking oils are unhealthy or unsustainable, Kas set out to offer a better alternative. His mission is to change the way people cook—one bottle of chef-grade algae oil at a time.

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