Complex sentence: Because eggs are the main ingredient, it is often on breakfast menus, but in Israel, it is also a popular evening meal, and may challenge hummus and falafel as a national favourite, especially in the winter.
Split into simpler sentences: Because eggs are the main ingredient, it is often on breakfast menus, but in Israel, it is also a popular evening meal. It has been said to challenge hummus and falafel as a national favourite, especially in the winter.