Cooking oil refers to various plant-based oils used in cooking, such as vegetable oil, olive oil, canola oil, sunflower oil, coconut oil, peanut oil, sesame oil, avocado oil, grapeseed oil, and corn oil. These oils have varying flavors, smoke points, and nutritional profiles. Common types include vegetable oil, olive oil, canola oil, sunflower oil, coconut oil, peanut oil, sesame oil, avocado oil, grapeseed oil, and corn oil. Each oil has its own unique flavor, smoke point, and nutritional profile.