gm: cooking oil
Cooking oils are calorie-dense (approximately 120 calories per tablespoon) and composed primarily of fat. Most refined vegetable cooking oils contain beneficial unsaturated fats, though polyunsaturated oils are sensitive to oxidation and benefit from proper storage.
About
Cooking oil is a liquid fat derived from plant seeds, nuts, or fruits, prized for its high smoke point and neutral flavor profile in culinary applications. Common cooking oils include those extracted from safflower, sunflower, canola, soybean, peanut, and corn through mechanical pressing or solvent extraction. These oils are refined to remove impurities and improve stability, resulting in clear, odorless to mildly flavored products suitable for high-heat cooking. The composition of fatty acids varies by source; vegetable oils are typically higher in polyunsaturated and monounsaturated fats, making them preferred for modern dietary guidelines.
Culinary Uses
Cooking oils are fundamental to nearly all culinary traditions, serving as the primary medium for sautéing, frying, roasting, and baking. They are used to prevent sticking, facilitate browning through the Maillard reaction, and contribute to the texture of baked goods. Different oils suit different applications: light oils with high smoke points (safflower, sunflower, canola) are ideal for deep frying and high-heat cooking, while others are blended into vinaigrettes or used as finishing oils. Selection depends on smoke point, flavor neutrality, and regional culinary preferences.