whether or not to put ketchup in seaweed bibimbap depends on the situation. Because tomato sauce is a common seasoning, it can increase the sweet and sour taste of food. If you like the taste of tomato sauce, you can add a proper amount of tomato sauce to seaweed bibimbap to increase the taste and taste of food. But if you don't like the taste of ketchup, you can also choose other seasonings without ketchup, such as soy sauce and mustard. In short, whether or not to put ketchup in seaweed bibimbap depends on the situation. You can adjust it according to your preference.