While fast food is convenient and can save you time, it's often highly processed and may contain additives and preservatives.

These eight fast food joints do, and we have either tasted them ourselves or researched and found reviews from other diners who have to determine the best and worst breakfast biscuit at each chain.

From savory breakfast sandwiches to sweet hotcakes, we tried all 18 items on McDonald's morning menu to find #1.

Egg, cheese, and bacon or sausage: the classic breakfast sandwich ... the classic sandwich best? I tried the egg, cheese, and meat iterations from three major fast-food chains — Burger King ...