tbl. cooking oil
Cooking oils are calorie-dense (120 calories per tablespoon) and composed primarily of fat. Nutritional value varies by type: olive and canola oils contain beneficial monounsaturated fats, while coconut oil is high in saturated fat. Most refined cooking oils provide minimal micronutrients.
About
Cooking oil is a fat extracted from plant sources—commonly seeds (canola, sunflower, soybean), nuts (peanut, coconut), or fruits (olive, palm)—or occasionally from animals (lard, tallow). These oils are liquid at room temperature and consist primarily of triglycerides. Cooking oils vary significantly in their fatty acid composition, smoke points, flavor intensity, and culinary applications. Refined oils undergo processing to remove impurities and extend shelf life, while unrefined varieties (cold-pressed or virgin) retain more flavor and nutrients but have shorter storage periods and lower smoke points.
The selection of cooking oil depends largely on intended use: high-heat cooking (frying, searing) requires oils with high smoke points such as refined sunflower or avocado oil, while low-heat applications and finishing favor flavorful oils like extra virgin olive oil or toasted sesame oil. Most commercial cooking oils are rendered from plants through mechanical pressing, solvent extraction, or both.
Culinary Uses
Cooking oils serve as the fundamental fat medium for nearly all savory cooking methods: sautéing, stir-frying, deep-frying, pan-searing, and roasting. They facilitate heat transfer, enable browning through the Maillard reaction, and carry fat-soluble flavors. Different cuisines employ distinct oils—Italian cuisine favors extra virgin olive oil for finishing, Chinese stir-fries use peanut or vegetable oil for their neutral flavor and high smoke points, and Southeast Asian cooking employs coconut oil for depth. Oils also serve as emulsifiers in vinaigrettes and mayonnaise, binders in marinades, and a medium for infusing herb-flavored preparations.