I seem to have fallen into a bit of a routine food-wise on Humphreys. The night before the hike, if I'm with a group, I'll invariably eat at either the Cracker Barrel on E. Lucky Lane or at Black Bart's steakhouse just around the corner. The latter features showtune performances by the servers.
After Humphreys, I almost always eat lunch at Stromboli's on Main Street.
As for Whitney, sometimes the only thing that keeps my legs functioning down the last 3 miles of trail is th thought of one of those big greasy cheeseburgers from the portal grill. I've also been drawn out a day early by the suggestion of pizza and beer at the Pizza Factory.