The best oils for an air fryer are high-smoke-point, neutral-tasting oils that crisp food without burning at temperatures between 375∘F 375∘F and 400∘F 400∘F. The absolute top choices are avocado oil for high heat, refined olive oil (not extra virgin) for flavor, and canola oil for everyday cooking.
What Is the Best Cooking Oil to Use in an Air Fryer? Of all the options, avocado oil is a top choice for air frying, thanks to its high smoke point and health benefits. Oils with lower smoke points, like extra virgin olive oil, can still be used – just keep temperatures under 190°C to avoid burning.
The best cooking oils for cardiac patients are those high in heart-healthy unsaturated fats (monounsaturated and polyunsaturated fats) and low in saturated fats. Cardiologists highly recommend the following:
Air frying is an excellent, healthy cooking method for diabetics. Because air fryers use circulating hot air instead of deep-frying in oil, they drastically reduce overall fat and calorie intake while protecting heart health.
Avocado oil and light olive oil shine for their high smoke points, while ghee and peanut oils each add unique flavours and health perks. For those looking to experiment, grapeseed and refined coconut oils bring subtle tones and nutritional benefits.
Avoid using aerosol cooking sprays (like Pam) or oils with low smoke points (like extra-virgin olive oil or unrefined coconut oil). Propellants and additives in sprays ruin non-stick coatings, while low-smoke oils burn and smoke at high temperatures.
While you can spray food with PAM before placing it in the air fryer, it is highly recommended to avoid spraying the air fryer basket directly with it. Aerosol sprays like PAM contain soy lecithin, which can build up over time and destroy the non-stick coating on your basket, making it sticky and hard to clean.
While air fryers are significantly healthier than deep fryers, risks include the potential formation of harmful compounds like acrylamide during high-heat cooking, exposure to toxic chemicals from scratched or overheated non-stick coatings, and the tendency to rely on overly processed, nutrient-poor foods.
Sugar-sweetened beverages (soda, fruit juice, sweet tea) are widely considered the #1 worst food/drink for blood sugar. They cause immediate, severe glucose spikes due to high sugar content and lack of fiber or protein to slow absorption. Other top offenders include refined carbs (white bread, white rice) and fried foods.
The "25 rule" is a handy formula used to convert traditional oven recipes for an air fryer. It involves lowering the oven temperature by 25°F and reducing the cooking time by 20–25%. Because air fryers use concentrated, rapidly circulating heat, this adjustment prevents the outside of your food from burning before the inside cooks through.
Cardiologists consistently advise patients to avoid or strictly limit processed meats, sugary drinks, and deep-fried foods. These items are heavily linked to high cholesterol, high blood pressure, and increased risks of heart disease.
Healthy Cooking Oils
The unhealthiest oils to cook with are highly refined, industrial seed oils (like cottonseed, soybean, corn, and sunflower oil). These oils are high in pro-inflammatory Omega-6 fatty acids and are easily oxidized when heated, releasing toxic compounds like aldehydes that are linked to heart disease.
The safest non-toxic air fryers avoid traditional Teflon (PTFE) and controversial PFAS chemicals. The healthiest alternatives feature all-glass bowls, 100% stainless steel interiors, or natural ceramic coatings. Top-rated models include the Fritaire Glass Air Fryer, Typhur Dome 2, and GreenPan Bistro Air Fryer.
The healthiest all-around cooking oil is Extra Virgin Olive Oil (EVOO). It is packed with heart-healthy monounsaturated fats and powerful polyphenol antioxidants that fight inflammation.
The healthiest things to cook in an air fryer are lean proteins (like salmon, shrimp, or chicken breast) and fiber-rich vegetables (like Brussels sprouts, broccoli, and green beans). Because the air fryer rapidly circulates super-hot air, it roasts these whole foods to a perfect crisp using only a fraction of the oil required for traditional frying or pan-searing.
While air fryers are highly popular, many people are ditching them due to their bulkiness, small capacity, and the fact that they are essentially just glorified mini convection ovens. Common reasons people get rid of them include:
Avoid these 5 foods in your air fryer to prevent messy cleanups, smoky kitchen hazards, and ruined meals.
Yes, you can put aluminum foil in an air fryer. Since an air fryer is essentially a miniature countertop convection oven, foil is perfectly safe to use. However, you must use it correctly to avoid fire hazards or ruining your food's texture.
While no fruit is universally "off-limits," diabetics are generally advised to strictly limit or avoid fruits that are high in sugar or have a high Glycemic Index (GI), as these cause rapid spikes in blood sugar.
High blood sugar (hyperglycemia) occurs when your body doesn't produce enough insulin or can't use it effectively. Five common warning signs include:
People in China with diabetes typically manage their condition using a combination of Western pharmaceuticals (such as metformin and insulin) alongside Traditional Chinese Medicine (TCM), including herbal formulas, dietary staples, and supplements.
It's not just about fat.
“Air frying has been shown to lower acrylamide levels compared to deep frying,” says Dr. Wu. “That's a definite win for your health.” And it's even better if you're air-frying vegetables or lean proteins.
Yes, you can absolutely cook raw chicken in an air fryer. It is one of the fastest and easiest ways to get a crispy exterior and juicy interior.
The most common air fryer mistake is overcrowding the basket. Air fryers work through rapid convection—if food is piled too high, the hot air cannot circulate, resulting in steamed, soggy meals instead of that signature crispy exterior.