Ben oil, also known as mustard oil or rape oil, is a natural oil extracted from the seeds of the mustard plant. It is commonly used in cooking and as a condiment, especially in Indian and Middle Eastern cuisine. Mustard oil has a pungent flavor and aroma, with a high smoke point that makes it ideal for frying and deep-frying. Other synonyms for ben oil include canola oil and vegetable oil, which are widely available and commonly used in cooking. Sunflower oil, soybean oil, and olive oil are other popular alternatives, each with their distinct flavor and health benefits. Overall, ben oil is just one of many options available when it comes to cooking oils, so it's essential to choose the best option for your health and taste preferences.