An egg sandwich is a sandwich with some kind of egg filling. Sliced boiled eggs or egg salad are popular options. Fried egg and scrambled egg sandwiches are an alternative for those who want a hot meal. A popular combination in the United States is an egg sandwich on a kaiser roll, bagel, or biscuit, with the option of some sort of breakfast meat, and cheese making a breakfast sandwich. Another variation is an omelette served on bread, cornbread or toast.