Omelettes are a versatile and easy dish that can be customized with your favorite ingredients. Beat eggs in a bowl and season with salt and pepper. Heat a non-stick pan and pour in the beaten eggs. Cook until the edges start to set, then add your desired fillings such as cheese, vegetables, or cooked meats. Fold the omelette in half and cook until the cheese is melted and the eggs are fully cooked. Serve with a side of toast or salad.