Grilled chicken: the timid, humdrum sibling of fried chicken.

While nowhere near as glamorous or greasy as its crispy companion, grilled chicken is starting to increase in popularity as it rides the wave of health-conscious dining.

Most major fast-food chains now offer grilled-chicken options, from sandwiches to nuggets.

But seared chicken isn't masked by a delicious fried coating, so it has to be good to pass muster.

We tried grilled-chicken sandwiches from major fast-food chains — Burger King, McDonald's, Wendy's, and Chick-fil-A — to find out which is best.