Avocado oil is popular because of its high smoke point. That makes avocado oil ideal for high-heat cooking.
Sesame oil, a staple of Asian cooking, is ideal for light sauteing.
Toasted sesame oil has a bold taste, and is often used as a season, and not as a cooking oil.
Flaxseed oil is a delicate oil that spoils quickly, so it must be stored in a dark, airtight container in the refrigerator. It is ideal for cold preparations such as salad dressings or dips.
Walnut oil becomes slightly bitter when heated, so it’s ideal for salad dressings, or for adding flavor to pasta salad.
Look for cold-pressed or unrefined oils, even though they are more expensive because they are less likely to be treated chemically. Keep fresh oils in the refrigerator or in dark containers away from heat. Refrigerated oils should be brought to room temperature before using.