When you think of fast-food breakfast, English muffin sandwiches, loaded biscuits, and crispy hash browns are probably among what comes to mind. But there's another popular item that has also carved out an important niche for itself in the fast-food breakfast market: breakfast burritos.Typically consisting of egg, cheese, meat, and sometimes additional accouterments wrapped inside a flour tortilla, these handheld breakfasts are practically tailor-made for eating on the go during busy mornings. A