I have to admit one of my favorite restaurants to eat breakfast is the Whittier House in Ossippe, NH.  They are located right on Rte 16.

 They do a Sunday morning vreakfast buffet from 7:30-10:30 that is the best.  For $10 (approx) you get jiuce, coffee and as much breakfast as you want, scrambled eggs, french toast, Virginia ham, bacon, sausage, danish, toast, muffins, panfries, a personal chef to make you your own omlet with all the fixings, waffles made fresh and sides of strawberries, bananas, and of course real whipped cream.  There is also fresh fruit,  It is always full when you get there but the wait is worth the trip.