Grilled cheese is a popular sandwich made by placing cheese between two slices of bread and grilling or toasting it until the bread is golden brown and the cheese is melted. Common types of cheese used include cheddar, American, and Swiss, but any cheese can be used based on personal preference. This dish is often enjoyed as a comfort food and can be served with sides like tomato soup or pickles. Grilled cheese is simple to prepare, making it a favorite among both children and adults. It can also be customized with additional ingredients like tomatoes or bacon.