Here's a few links to some great places to eat in the Boone/Blowing Rock/Banner Elk areas.
Fine Dining:
The Best Cellar - Blowing Rock
Louisiana Purchase - Banner Elk
The Bistro - Boone
The Artisanal - Banner Elk
The Gamekeeper - Between Boone and Blowing Rock
Mast Farm Inn - Valle Crucis
Twigs - Blowing Rock
Casual Dining:
Bistro Roca - Blowing Rock
Vidalia - Boone
Sorrento's - Banner Elk
Crave - Boone
Glidewell's - Blowing Rock
Galileo's - Boone
The Peddler - Boone
Laid Back Dining:
Canyon's - Blowing Rock
Reid's Cafe - Boone
The Ham Shoppe - Valle Crucis
Woodlands - Blowing Rock
Black Cat Burrito - Boone
Coyote Kitchen - Boone
Mr. Origonal Gyro's - Boone
Obviously there are tons more great restaurants in the area but these are some of my favorites and are almost always solid.. For some honest review's on these and more...