The primary ingredient in a traditional omelette is eggs. Typically, chicken eggs are used, which provide a rich source of protein and essential nutrients. To prepare an omelette, eggs are beaten and cooked in a skillet until they set. Various ingredients can be added for flavor, such as cheese, vegetables, meats, or herbs, depending on personal preference. The versatility of omelettes allows for numerous variations, making them a popular choice for breakfast or any meal. The simplicity and quick cooking time make omelettes a staple in many cuisines worldwide.